Back to the Watership Down Neuroscience Project

Donald A. Powell, Ph.D.

Director, Shirley L. Buchanan Neuroscience Laboratory

WJB Dorn VA Medical Center

(803) 695-6821

^{Journal Articles and Book Chapters}

^{Scott, T.R., & Powell, D.A. Motion aftereffects in the rhesus monkey. Science, 1963, 140, 57-59.}

^{Scott, T.R., Lavender, A.D., McWhirt, R.A., & Powell, D.A. Directional asymmetry of motion aftereffects. Journal of Experimental Psychology, 1966, 71, 806-815.}

^{Powell, D.A., & Creer, T.L. The interaction of environmental and developmental variables in shock-elicited aggression. Journal of Comparative and Physiological Psychology, 1969, 69, 219-225.}

^{Powell, D.A., Francis, J., Braman, M.J., & Schneiderman, N. Frequency of attack in shock-elicited aggression as a function of the performance of individual rats. Journal of Experimental Analysis of Behavior, 1969, 12, 817-823.}

^{Powell, D.A., Kazis, E., & Milligan, W.L. Divergencies in the conditioned and unconditioned heart rate response in the rabbit. Proceedings of the 1970 American Psychological Association, 1970, 257-258.}

^{Powell, D.A., Silverman, T., Francis, J., & Schneiderman, N. The effects of sex and prior experience with fighting on shock-induced aggression. Communications in Behavioral Biology, 1970, 5, 51-56.}

^{Sideroff, S., Schneiderman, N., & Powell, D.A. Motivational properties of septal stimulation as the US in classical conditioning of heart rate in rabbits. Journal of Comparative and Physiological Psychology, 1971, 74, 1- 10.}

^{Creer, T.L., & Powell, D.A. Effects of age and housing conditions on shock- elicited aggression. Psychonomic Science, 1971, 22, 259-261.}

^{Powell, D.A., Francis, J., & Schneiderman, N. The effects of castration, neonatal injections of testosterone, and previous experience with fighting on shock-elicited aggression. Communications in Behavioral Biology, 1971, 5, 371-377.}

^{Powell, D.A., Lipkin, M., Milligan, W.L., & Kazis, E. Relationships between autonomic and somatic systems: Eyeblink and heart rate conditioning. VA Newsletter for Research in Psychology, 1971, 13, 24-26.}

^{Creer, T.L., & Powell, D.A. Effects of repeated shock presentations and different stimulus intensities on shock-induced aggression. Psychonomic Science, 1971, 24, 133-134.}

^{Powell, D.A., Schneiderman, N., Elster, A., & Jacobson, A. Differential classical conditioning in rabbits to tones and changes in illumination. Journal of Comparative and Physiological Psychology, 1971, 76, 267-274.}

^{Powell, D.A., Goldberg, S., Schneiderman, N., Dauth, G.W. & Schneiderman, E. Adrenergic and cholinergic blockade of cardiovascular responses to subcortical electrical stimulation in unanesthetized rabbits. Physiology & Behavior, 1972, 8, 927-936.}

^{Powell, D.A., Francis, J.D., Francis, M.J., & Schneiderman, N. Shock- induced aggression as a function of prior experience with avoidance, fighting, or unavoidable shock. Journal of Experimental Analysis of Behavior, 1972, 18, 323-332.}

^{Duncan, S., & Powell, D.A. An inexpensive apparatus for separately stimulating or recording from two animals in a social situation. VA Newsletter for Research in Psychology, 1972, 14, 22-24.}

^{McClain, W.C., & Powell, D.A. The effects of alpha methyl tyrosine and parachlorophenylalanine on predatory attach and shock elicited aggression. VA Newsletter for Research in Psychology, 1972, 14, 29-31.}

^{Kazis, E., Milligan, W.L., & Powell, D.A. Autonomic-somatic relationships: Blockade of heart rate and corneoretinal potential responses. Journal of Comparative and Physiological Psychology, 1973, 84, 98-110.}

^{Milligan, W.L., Powell, D.A., & Borasio, G. Sexual variables and shock- elicited aggression. Journal of Comparative and Physiological Psychology, 1973, 83, 441-450.}

^{Powell, D.A., Walters, K., Duncan, S., & Holley, J.R. The effects of chlorpromazine and d-amphetamine on shock-elicited aggression. Psychopharmacologia, 1973, 30, 303-314.}

^{Powell, D.A., Milligan, W.L., & Walters, K. The effects of muscarinic cholinergic blockade upon shock-elicited aggression. Pharmacology, Biochemistry & Behavior, 1973, 1, 389-394.}

^{Duncan, S.D. & Powell, D.A. An inexpensive apparatus for presenting aversive stimulation to rodents in a social situation. Psychological Reports, 1973, 32, 851-854.}

^{Joseph, J.A., & Powell, D.A. Peripheral chemical sympathectomy and learning. VA Newsletter for Research in Mental Health and Behavioral Sciences, 1973, 15, 32-36.}

^{Kazis, E., Duncan, S., & Powell, D.A. Cholinergic and adrenergic control of heart rate changes in the rabbit. Bulletin of the Psychonomic Society, 1973, 3, 41-43.}

^{McClain, W.C., Cole, B.T., Schrieber, R., & Powell, D.A. Central catechol- and indolamine systems and aggression. Pharmacology, Biochemistry & Behavior, 1974, 2, 123-126.}

^{Powell, D.A., Lipkin, M., & Milligan, W.L. Concomitant changes in classically conditioned heart rate and corneoretinal potential discrimination in the rabbit (Oryctolagus Cuniculus). Learning and Motivation, 1974, 5, 532-547}

^{Powell, D.A., & Joseph, J. Autonomic-somatic interactions and hippocampal theta activity. Journal of Comparative and Physiological Psychology, 1974, 87, 978-986.}

^{Milligan, W.L., & Powell, D.A. Cardiovascular and behavioral responses elicited by electrical stimulation of the brain as a function of stimulus frequency, intensity, and train duration. Physiological Psychology, 1975, 3, 59-64.}

^{Duncan, S., & Powell, D.A. Agonistic behavior elicited by subdermal shock in rats. Psychological Reports, 1975, 36, 327-337.}

^{Powell, D.A., & Lipkin, M. Heart rate changes accompanying differential classical conditioning of somatic responses in the rabbit. Bulletin of the Psychonomic Society, 1975, 5, 28-30.}

^{Duncan, S., & Powell, D.A. Stimulus parameters and aggression elicited by subdermal shock in rats. Bulletin of the Psychonomic Society, 1975, 5, 378-380.}

^{Powell, D.A., & Milligan, W.L. Effects of partial and continuous reinforcement on conditioned heart rate and corneoretinal potential responses in the rabbit (Oryctolagus Cuniculus). Psychological Record, 1975, 25, 419-426.}

^{Holley, R., & Powell, D.A. Mercury commutator arrangement for simultaneously stimulating or recording from two small animals in a social situation. Physiology & Behavior, 1975, 15, 741-743.}

^{Powell, D.A., & Milligan, W.L. Autonomic-somatic relationships: The effect of septal-area lesions. VA Newsletter for Research in Mental Health and Behavioral Sciences, 1975, 17, 39-42.}

^{Powell, D.A., Tkacik, M., Buchanan, S.L., & Milligan, W.L. Cardiovascular responses elicited by electrical brain stimulation in the rabbit. Physiology & Behavior, 1976, 16, 227-230.}

^{Powell, D.A., Holley, R., & Buchanan, S.L. Agonistic postures in the rat: Reliability of human observations. Bulletin of the Psychonomic Society, 1976, 7, 409-412.}

^{Powell, D.A., Milligan, W.L., & Buchanan, S.L. Orienting and classical conditioning in the rabbit (Oryctolagus Cuniculus): Effects of septal area lesions. Physiology & Behavior, 1976, 17, 955-962.}

^{Powell, D.A., & Kazis, E. Blood pressure and heart rate changes accompanying classical eyeblink conditioning in the rabbit (Oryctolagus Cuniculus). Psychophysiology, 1976, 13, 441-447.}

^{Holley, J.R., & Powell, D.A. The effects of prior subcutaneous shock on agonistic behavior elicited by foot shock and subsutaneous shock. Psychological Record, 1976, 26, 247-253.}

^{Powell, D.A., & Milligan, W.L. Autonomic changes and performance of behavioral tasks in older veterans. IRCS Journal of Medical Science: Psychology & Psychiatry, 1976, 4, 435.}

^{Shah, N., Gulati, O.D., Powell, D.A., & Kleinburd, V. Regional localization of 14C-mescaline in rabbit brain after intraventricular administration: Effects of chloropromazine and iproniazid pretreatment. Neurochemical Research, 1977, 2, 265-279.}

^{Powell, D.A., & Buchanan, S.L. A comparison of several aggression models in Long Evans hooded rats. Psychological Reports, 1978, 43, 704-720.}

^{Powell, D.A., Mankowski, D., & Buchanan, S.L. Concomitant heart rate and corneoretinal potential conditioning in the rabbit (Oryctolagus Cunciculus): Effects of caudate lesions. Physiology & Behavior, 1978, 20, 143-150.}

^{Pritchett, J., Cole, B.T., & Powell, D.A. Effects of prior shock and scopolamine on aggressive behavior and blood glucose levels in the rat. Behavioral and Neural Biology, 1979, 25, 176-189.}

^{Joseph, J.A., Boggan, W., & Powell, D.A. Adrenal demedullation and peripheral 6-OHDA administration in the rabbit: Effects on body weight, general activity, and cardiovascular responsivity. Pharmacology, Biochemistry & Behavior, 1979, 10, 875-881.}

^{Powell, D.A. Peripheral and central muscarinic cholinergic blockade: Effects on Pavlovian conditioning. Bulletin of Psychonomic Society, 1979, 14, 161-164.}

^{Buchanan, S.L., Hernandez, L.L., & Powell, D.A. A comparison of Pavlovian autonomic and somatic conditioning in "old" and "young" rabbits. IRCS Journal of Medical Science: Psychology & Psychiatry, 1979, 7, 357.}

^{Hernandez, L.L., Buchanan, S.L., Powell, D.A., & Shah, N.S. A comparison of biogenic amine concentrations in discrete brain areas of "old" and "young" rabbits. IRCS Journal of Medical Science: Psychology & Psychiatry, 1979, 7, 356.}

^{Powell, D.A., Milligan, W.L., & Furchtgott, E. Peripheral autonomic changes accompanying learning and reaction time performance in older people. Journal of Gerontology, 1980, 35, 57-65.}

^{Hernandez, L.L., & Powell, D.A. Effects of Naloxone on Pavlovian conditioning of eyeblink and heart rate responses in rabbits. Life Sciences, 1980, 27, 863-869.}

^{Albiniak, B.A., & Powell, D.A. Peripheral autonomic mechanisms and Pavlovian conditioning in the rabbit (Oryctolagus Cuniculus). Journal of Comparative and Physiological Psychology, 1980, 94, 1101-1113.}

^{Joseph, J.A., & Powell, D.A. Peripheral 6-hydroxydopamine administration in the rabbit (Oryctolagus Cuniculus): Effects on Pavlovian conditioning. Journal of Comparative and Physiological Psychology, 1980, 94, 1114-1125.}

^{Powell, D.A., & Buchanan, S.L. Autonomic-somatic relationships in the rabbit (Oryctolagus Cuniculus): Effects of hippocampal lesions. Physiological Psychology, 1980, 8, 251-256.}

^{Shah, N.S., Powell, D.A., Yates, J.D., & May, D.A. Interaction of Methadone with Naloxone in rabbit brain regions: Possible explanation for narcotic- induced pharmacological effects. Research Communications in Substances of Abuse, 1980, 1, 251-256.}

^{Buchanan, S.L., & Powell, D.A. Divergencies in Pavlovian conditioned heart rate and eyeblink responses produced by hippocampectomy in the rabbit. Behavioral and Neural Biology, 1980, 30, 20-38.}

^{Francis, J., Hernandez, L.L., & Powell, D.A. Lateral hypothalamic lesions: Effects on Pavlovian conditioning of eyeblink and heart rate responses in the rabbit. Brain Research Bulletin, 1981, 6, 155-163.}

^{Milligan, W.L., Powell, D.A., & Purchtgott, E. Learning and reaction time performance in older veterans: Relationship to attitudes and life satisfaction. International Journal of Aging and Human Developement, 1981, 13, 151-168.}

^{Hernandez, L.L., & Powell, D.A. Forebrain norepinephrine and sertonin concentrations and Pavlovian conditioning in septal damaged and normal rabbits. Brain Research Bulletin, 1981, 6, 479-486.}

^{Hernandez, L.L., Buchanan, S.L., & Powell, D.A. CS pre-exposure: Latent inhibition and Pavlovian conditioning of heart rate and eyeblink responses as a function of sex and CS intensity in rabbits. Animal Learning and Behavior, 1981, 9, 513-518.}

^{Powell, D.A., Buchanan, S.L., & Hernandez, L.L. Age-related changes in classical (Pavlovian) conditioning in the New Zealand albino rabbit. Experimental Aging Research, 1981, 7, 453-465.}

^{Powell, D.A., Milligan, W.L., & Mull, P. Lateral septal lesions enhance conditioned bradycardia in the rabbit. Journal of Comparative and Physiological Psychology, 1982, 96, 742-754.}

^{Buchanan, S.L., & Powell, D.A. Cingulate cortex: Its role in Pavlovian conditioning. Journal of Comparative and Physiological Psychology, 1982, 96, 755-774.}

^{Buchanan, S.L., & Powell, D.A. Cingulate damage attenuates conditioned bradycardia. Neuroscience Letters, 1982, 29, 261-268.}

^{Buchanan, S.L., & Powell, D.A. Hippocampal lesions and Pavlovian cardiovascular conditioning. Pavlovian Journal of Biological Science, 1982, 17, 158-164.}

^{Shah, N.S., Powell, D.A., Shah, A.B., McAmis, W., Orli, R., & Wischovitch, R. Regional distribution of dextro-3H amphetamine in rabbit brain: Effects of chlorpromazine pre-treatment. Research Communications in Substances of Abuse, 1982, 3, 307-322.}

^{Shah, N.S., Shah, S., & Powell, D.A. Future Scope of Endorphin Research. In N.S. Shah and A.G. Donald (Eds.), Current Status of Endorphin and Opiate Antagonist in Psychiatric Research. New York: Plenum Press, 1982, pp. 459-475.}

^{Shah, N.S., Powell, D.A., & Shah, A.B. Regional localization of [14C] Methylphenidate in rabbit brain. Progress in Neuropsychopharmacology and Biological Psychiatry, 1983, 7, 101-106.}

^{Hernandez, L.L., & Powell, D.A. Naloxone induces multiple effects on aversive Pavlovian conditioning in rabbits. Journal of Comparative and Physiological Psychology, 1983, 97, 478-491.}

^{Hernandez, L.L., & Powell, D.A. Vasopressin analogue delays extinction of classically conditioned bradycardia. Peptides, 1983, 4, 37-41.}

^{Ginn, S.R., Valentine, J.D., & Powell, D.A. Concomitant Pavlovian conditioning of heart rate and leg flexion responses in the rat. Pavolvian Journal of Biological Science, 1983, 18, 154-160.}

^{Buchanan, S.L., & Powell, D.A. ACTH4-10: Effects on Pavlovian conditioning. In N.S. Shah and A.G. Donald (Eds.), Psychoneuroendocrine dysfunction in psychiatric and neurological illnesses: Influence of psychopharmacological agents. New York: Plenum Press, 1984, pp. 231-242.}

^{Powell, D.A., Milligan, W.L., & Furchtgott, E. Interaction of physiomedical and psycho-social variables in age-related functional impairments. International Journal of Aging and Human Development, 1984, 19, 231-248.}

^{Powell, D.A., Hernandez, L.L., & Buchanan, S.L. Age-related changes in Pavlovian conditioning: CNS correlates. Physiology & Behavior, 1984, 32, 609-616.}

^{Milligan, W.L., Powell, D.A., Harley, C., & Furchtgott, E. A comparison of physical health and psychosocial variables as predictors of reaction time and serial learning performance in the elderly. Journal of Gerontology, 1984, 39, 704-710.}

^{Buchanan, S.L., Powell, D.A., & Buggy, J. 3H-2-Deoxyglucose uptake after electrical stimulation of cardioactive sites in anterior medial cortex in rabbits. Brain Research Bulletin, 1984, 13, 371-382.}

^{Powell, D.A., Buchanan, S.L., & Hernandez, L.L. Intraseptal scopolamine has differential effects on eyeblink and heart rate conditioning. Behavioral Neuroscience, 1985, 99, 75-87.}

^{Milligan, W.L., Harley, C., Furchtgott, E., & Powell, D.A. Physical health correlates of attitudes toward aging in the elderly. Experimental Aging Research, 1985, 11, 75-80.}

^{Powell, D.A., Hernandez, L.L., & Buchanan, S.L. Intracerebral scopolamine attenuates conditioned bradycardia in the rabbit. Pavlovian Journal of Biological Science, 1985, 20, 116-123.}

^{Powell, D.A., Hernandez, L.L., & Buchanan, S.L. Electrical stimulation of insular cortex elicits cardiac inhibition but insular lesions do not abolish conditional bradycardia in rabbits. Behavioral Brain Research, 1985, 17, 125-144.}

^{Buchanan, S.L., Valentine, J.D., & Powell, D.A. Autonomic responses are elicited by electrical stimulation of the medial but not lateral frontal cortex in rabbits. Behavioral Brain Research, 1985, 18, 51-62.}

^{Hernandez, L.L., & Powell, D.A. Ethanol enhancement of Pavlovian conditioning: Comparison with instrumental conditioning. Psychopharmacology, 1986, 88, 75-81.}

^{Kao-Kuen, T., & Powell, D.A. Substantia nigra lesions retard Pavlovian somatomotor learning but do not affect autonomic conditioning. Neuroscience Letters, 1986, 64, 1-6.}

^{Buchanan, S.L., & Powell, D.A. Electrical stimulation of anteriomedial and mediodorsal thalamus elicits differential cardiovascular response patterns from conscious rabbits. Physiological Psychology, 1986, 14, 115-123.}

^{Ginn, S.R., & Powell, D.A. Pizotifen (BC105) attenuates orienting and Pavlovian heart rate conditioning in rabbits. Pharmacology, Biochemistry and Behavior, 1986, 24, 677-685.}

^{Hernandez, L.L., Valentine, J.D., & Powell, D.A. Ethanol enhancement of Pavlovian conditioning. Behavioral Neuroscience, 1986, 100, 494-503.}

^{Ginn, S.R., & Powell, D.A. Pizotifen (BC105) attenuates Pavlovian eyeblink and heart rate conditioning in the rabbit. Physiological Psychology, 1986, 14, 36-41.}

^{Powell, D.A., & Buchanan, S.L. Autonomic changes elicited by chemical stimulation of the mediodorsal nucleus of the thalamus. Pharmacology, Biochemistry & Behavior, 1986, 25, 423-430.}

^{Powell, D.A. Cognitive and affective components of reinforcement. American Psychologist, 1987, 42, 409-410.}

^{Hernandez, L.L., & Powell, D.A. Comparison of 3H-spiperone binding in caudate nuclei of rabbits and rats. Pharmacology, Biochemistry & Behavior, 1987, 26, 253-258.}

^{Buchanan, S.L., & Powell, D.A. 3H-2-Deoxyglucose uptake after electrical stimulation of cardioactive sites in insular cortex and mediodorsal nucleus of the thalamus in rabbits. Brain Research Bullentin, 1987, 19, 439-452.}

^{Hernandez, L.L., Buchanan, S.L., & Powell, D.A. Somatomotor thresholds in the New Zealand albino rabbit. Psychological Reports, 1987, 61, 265-266.}

^{Powell, D.A., & Buchanan, S.L. Using the Scouten knife with rabbits. The Kopf Carrier, 1988, 19, 1-4.}

^{Milligan, W.L., Powell, D.A., & Furchtgott, E. Psychosocial and physiomedical factors affecting outplacement of the medically disabled elderly. Journal of Applied Gerontology, 1988, 7, 85-96.}

^{Kao, Kuen-Teng, & Powell, D.A. Lesions of the substantia nigra retard Pavlovian eyeblink conditioning in the rabbit. Behavioral Neuroscience, 1988, 102, 515-525.}

^{Milligan, W.L., Powell, D.A., & Furchtgott, E. The Older Americans Resources and Services Interview and the medically disabled elderly. Journal of Geriatric Psychiatry and Neurology, 1988, 1, 77-83.}

^{Buchanan, S.L. & Powell, D.A. Age-related changes in associative learning: studies in rabbits and rats. Neurobiology of Aging, 1988, 9, 523-534.}

^{Gibbs, C.M., Spencer, B.A., Kao, K-T., & Powell, D.A. Methoxamine is an effective unconditioned stimulus for cardiovascular conditioning. Physiology and Behavior, 1988, 43, 177-185.}

^{Buchanan, S.L. & Powell, D.A. Parasagittal thalamic knife cuts retard Pavlovian eyeblink conditioning and abolish the tachycardiac component of the heart rate conditioned response. Brain Research Bulletin, 1988, 21, 723-729.}

^{Powell, D.A., & Levine-Bryce, D. A comparison of two model systems of associative learning: Heart rate and eyeblink conditioning in the rabbit. Psychophysiology, 1988, 25, 672-682.}

^{Gibbs, C.M., & Powell, D.A. Neuronal correlates of classically conditioned bradycardia in the rabbit: studies of the medial prefrontal cortex. Brain Research, 1988, 442, 86-96.}

^{Milligan, W.L., Prescott, L., Powell, D.A., & Furchtgott, E. Attitudes toward aging and physical health. Experimental Aging Research, 1989, 15, 33-41.}

^{Buchanan, S.L. & Powell, D.A. Parasagittal thalamic knife cuts and cardiac changes. Behavioral Brain Research, 1989, 32, 241-253.}

^{Prescott, L., Buchanan, S.L., & Powell, D.A. Leg flexion conditioning in the rat: Its advantages and disadvantages as a model system of age- related changes in associative learning. Neurobiology of Aging, 1989, 10, 59-65.}

^{Powell, D.A. & Levine-Bryce, D. Conditioned bradycardia in the rabbit: effects of knife cuts and ibotenic acid lesions in the lateral hypothalamus. Experimental Brain Research, 1989, 76, 103-121.}

^{Buchanan, S.L., Thompson, R.H. & Powell, D.A. Midline thalamic lesions enhance conditioned bradycardia and the cardiac orienting reflex in rabbits. Psychobiology, 1989, 17, 300-306.}

^{Buchanan, S.L., Powell, D.A. & Thompson, R.H. Prefrontal projections to the medial nuclei of the dorsal thalamus in the rabbit. Neuroscience Letters, 1989, 106, 55-59.}

^{Durkin, M., Prescott, L., Jonet, C.J., Frank, E., Niggel, M. & Powell, D.A. Photoresistive measurement of the Pavlovian conditioned eyelid response in human subjects. Psychophysiology, 1990, 27, 599-603.}

^{Powell, D.A., Buchanan, S.L. & Gibbs, C.M. Role of the prefrontal-thalamic axis in classical conditioning. In H.M.B. Uylings, C.G. Van Eden, J.P.C. De Bruin, M.A. Corner, & M.G.P. Feenstra (Eds.). The Prefrontal Cortex: Its Structure, Function, and Pathology, Progress in Brain Research, Vol. 85, Elsevier, Amsterdam, The Netherlands, 1990, pp. 423-456,}

^{Powell, D.A., Furchtogott, E., Henderson, M., Prescott, L., Mitchell, A., Hartis, P. & Milligan, W.L. Some determinants of attrition in prospective studies on aging. Experimental Aging Research, 1990, 16, 17-24.}

^{Hernandez, L.L., Powell, D.A. & Gibbs, C.M. Amygdaloid central nucleus neuronal activity accompanying Pavlovian cardiac conditioning: effects of naloxone. Behavioral Brain Research, 1990, 41, 71-79.}

^{Powell, D.A., Watson, K.L. & Buchanan, S.L. Neuronal activity in the mediodorsal nucleus and the intralaminar nuclei of the dorsal thalamus during classical heart rate conditioning. Brain Research, 1990, 532, 211- 221.}

^{Powell, D.A., Buchanan, S.L. & Hernandez, L.L. Classical (Pavlovian) conditioning models of age-related changes in associative learning and their neurobiological substrates. Progress in Neurobiology, 1991, 36, 201-228.}

^{Hernandez, L.L., Valentine, J.D., & Powell, D.A. Opioid modulation of different stages of Pavlovian learning in rabbits: Involvement of anterior amygdala pathways. Behavioral Neuroscience, 1991, 105, 431-442.}

^{Gibbs, C.M. & Powell, D.A. Single unit activity in the dorsomedial prefrontal cortex during the expression of discriminative bradycardia in rabbits. Behavioural Brain Research, 1991, 43, 79-92.}

^{Gibbs, C.M., Prescott, L. & Powell, D.A. A comparison of CS-evoked multiple unit activity in medial and insular prefrontal cortex during classical heart rate conditioning. Experimental Brain Research, 1992, 89, 599-610.}

^{Ginn, S.R. & Powell, D.A. Nucleus basalis lesions attenuate acquisition, but not retention, of Pavlovian heart rate conditioning and have no effect on eyeblink conditioning. Experimental Brain Research, 1992, 89, 501-510.}

^{Prescott, L., Durkin, M., Furchtgott, E. & Powell, D.A. Concomitant heart rate and eyeblink Pavlovian conditioning in human subjects as a function of interstimulus interval. Psychophysiology, 1992, 29, 646-656.}

^{Powell, D.A. The prefrontal-thalamic axis and classical conditioning. Integrative Physiological and Behavioral Science, 1992, 27, 101-116.}

^{Buchanan, S.L. & Powell, D.A. Cingulothalamic and prefrontal control of autonomic function. In B.A. Vogt & M. Gabriel (Eds.). The Neurobiology of Cingulate Cortex and Limbic Thalamus, Birkhauser, Berlin, 1993, pp. 381- 414.}

^{Powell, D.A., Gibbs, C.M., Maxwell, B.L. & Levine-Bryce, D. On the generality of conditioned bradycardia in rabbits: assessment of CS and US modality. Animal Learning and Behavior, 1993, 21, 303-313.}

^{Durkin, M., Prescott, L., Furchtgott, E., Cantor, J. & Powell, D.A. Concomitant eyeblink and heart rate classical conditioning in young, middle-aged, and elderly human subjects. Psychology and Aging, 1993, 8, 571-581.}

^{Maxwell, B., Powell, D.A. & Buchanan, S.L. Multiple and single unit activity in area 32 (prelimbic region) of the medial prefrontal cortex during Pavlovian heart rate conditioning in the rabbit. Cerebral Cortex, 1994, 4, 230-246.}

^{Powell, D.A., Watson, K. & Maxwell, B. Involvement of subdivisions of the medial prefrontal cortex in learned cardiac adjustments. Behavioral Neuroscience, 1994, 108, 294-307.}

^{Buchanan, S.L., Thompson, R.H., Maxwell, B.L. & Powell, D.A. Efferent connections of the medial prefrontal cortex in the rabbit. Experimental Brain Research, 1994, 100, 469-483.}

^{Powell, D.A. Rapid associative learning: conditioned bradycardia and its central nervous system substrates. Integrative Physiological and Behavioral Science, 1994, 29, 109-133.}

^{Durkin, M., Prescott, L., Furchtgott, E., Cantor, J. & Powell, D.A. Performance, but not acquisition of skill learning is severely impaired in the elderly. Archives of Gerontology and Geriatrics, 1995, 20, 167-183.}

^{Chachich, M., Maxwell, B.L., & Powell, D.A. Subicular lesions and classical heart rate conditioning. Behavioral Neuroscience, 1996, 110, 707-717.}

^{Powell, D.A., Maxwell, B.L., & Penney, J.A. Neuronal changes in the medial prefrontal cortex during Pavlovian eyeblink and nictitating membrane conditioning in the rabbit. Journal of Neuroscience, 1996, 19, 6296-6306.}

^{Buchanan, S.L., Beylotte, F.M., & Powell, D.A. Lesions of the thalamic reticular nucleus or the basal forebrain impair Pavlovian eyeblink conditioning and attenuate learning-related multiple unit activity in the mediodorsal nucleus of the thalamus. Psychobiology, 1997, 25, 48-58.}

^{Chachich, M., Buchanan, S.L., & Powell, D.A. Characterization of single unit activity in the mediodorsal nucleus of the thalamus during expression of differential heart rate conditioning in the rabbit. Neurobiology of Learning and Memory, 1997, 67, 129-141.}

^{Buchanan, S.L., Penney, J., Tebbutt, D., & Powell, D.A. Lesions of the mediorsal nucleus of the thalamus and classical eyeblink conditioning under less-than-optimal stimulus conditions: role of partial reinforcement and interstimulus interval. Behavioral Neuroscience, 1997, 111, 1075-1085.}

^{Tapp, W., Servatius, R., Hunt, J., & Powell, D.A. Vagal activity predicts eyeblink conditioning in human subjects. NeuroReport, 1997, 8, 1203-1207.}

^{Powell, D.A., Chachich, M., Murphy, V., & McLaughlin, J., Tebbutt, D., & Buchanan, S.L. Amygdala-prefrontal interactions and conditioned bradycardia in the rabbit. Behavioral Neuroscience, 1997, 111, 1056-1074.}

^{Flaten, M., & Powell, D.A. Conditioned reflex facilitation in young and older adults. Experimental Aging Research, 1998, 24, 387-410.}

^{Buchanan, S.L., Powell, D.A., Beylotte, F.M., Penney, J. Lesions of the midline thalamic nuclei impair classical conditioning under partial but not continuous reinforcement conditions. Behavioural Brain Research, 1998, 97, 49-58}

^{McLaughlin, J., & Powell, D.A. Pavlovian heart rate and jaw movement conditioning in the rabbit: effects of medial prefrontal lesions. Neurobiology of Learning and Memory, 1999, 71, 150-166.}

^{Chachich, M., & Powell, D.A. Both medial prefrontal and amygdala central nucleus lesions abolish heart rate classical conditioning, but only prefrontal lesions impair reversal of eyeblink differential conditioning. Neuroscience Letters, 1999, 257, 151-154.}

^{Powell, D.A. A behavioral stages model of classical (Pavlovian) conditioning: application to cognitive aging. Neuroscience and Biobehavioral Reviews, 1999, in press.}

^{Powell, D.A., McLaughlin, J., & Chachich, M. Classical conditioning of autonomic and somatomotor responses and their central nervous system substrates. In Woodruff-Pak, D.S. & Steinmetz, J.E. (Eds.), Eyeblink Classical Conditioning: Animal, Kluwer Academic Publishers, Norwell, MA, 1999, in press.}

^{Papers Presented (Abstract citation if published)}

^{Sources of variation in shock-elicited aggression. Southeastern Psychological Association, April, 1967.}

^{Research involving shock-elicited aggression. American Psychological Association, September, 1968.}

^{With Braman, M.J. A baseline study of shock-induced fighting and free- operant avoidance as a function of prior experience with fighting and shock. Southeastern Psychological Association, April, 1969.}

^{Goldberg, S.R., Powell, D.A., Dauth, G.W., & Schneiderman, N. Pharmacological intervention in cardiovascular responses elicited by electrical brain stimulation. [The University of Michigan Medical Center Journal, 1970, 36, 246].}

^{Sideroff, S., Schneiderman, N., & Powell, D.A. Motivational properties of electrical stimulation of septal region as the US in classical conditioning of heart rate. [Psychonomic Science, 1970, 21, 281].}

^{With Kazis, E. The effects of cholinergic and adrenergic blockade upon unconditioned autonomic responses in the rabbit. Southeastern Psychological Association, April, 1970.}

^{The effects of castration, neonatal injections of testosterone and previous experience with fighting on shock-elicited aggression. Southeastern Psychological Association, April, 1970.}

^{With Milligan, W.L., & Kazis, E. Divergencies in the conditioned and unconditioned heart rate response in the rabbit. American Psychological Association, September, 1970.}

^{Kazis, E., & Powell, D.A. Cholinergic and adrenergic control of heart rate changes in the rabbit. [VA Newsletter for Research in Psychology, 1971, 12, 9-10].}

^{Milligan, W.L., & Powell, D.A. Sexual variables and aggression. [VA Newsletter for Research in Psychology, 1971, 13, 19].}

^{With Kazis, E. Cholinergic and adrenergic control of heart rate changes in the rabbit. Southeastern Psychological Association, April, 1971.}

^{With Milligan, W.L. (Presented by W.L. Milligan). Sexual variables and defensive aggression. Southeastern Psychological Association, April, 1971.}

^{Milligan, W.L., & Powell, D.A. Cardiovascular effects evoked by electrical brain stimulation (ESB) as a function of stimulus frequency, intensity, and train duration. [VA Newsletter for Research in Psychology, 1972, 14, 35-36].}

^{With Milligan, W.L. Cardiovascular effects evoked by electrical brain stimulation as a function of frequency and intensity parameters. Southeastern Psychological Association, April, 1972.}

^{With Milligan, W.L. (Presented by W.L. Milligan). Cardiovascular and behavioral responses elicited by electrical stimulation of the brain (ESB) as a function of ESB frequency, intensity, and train duration. American Psychological Association, September, 1972.}

^{Powell, D.A. Peripheral vs. central determinants of classical eyeblink and heart rate conditioning. [Bull. of Psychon. Soc., 1973, 2, 236].}

^{With Kazis, E. Factors influencing heart rate and blood pressure conditioning in the rabbit (Oryctolagus Cuniculus). Southeastern Psychological Association, April, 1973.}

^{With Milligan, W.L., & Tkacik, M. (Presented by W.L. Milligan). Effect of 6-hydroxyudopamine on heart rate changes accompanying eyeblink avoidance conditioning in the rabbit (Oryctolagus Cuniculus). Southeastern Psychological Association, April, 1973.}

^{A two component model of aggression. Symposium on Aggression. Southeastern Psychological Association, April, 1973.}

^{Powell, D.A., Holley, R., & Duncan, S.D. The effects of prior aversive stimulation upon unlearned and instrumental behaviors. [Bull. of the Psychon. Soc., 1974, 4, 259].}

^{Invited Presentation: Shock-elicited aggression: An animal model of defensive behavior. Presented at symposium entitled "Infrahuman models of Experiment Aggression." Eastern Psychological Association, April, 1974.}

^{With Holley, R. Agonistic postures elicited by subcutaneous or footshock as a function of response-to-shock histories. Southeastern Psychological Association, May, 1974.}

^{With Holley, R., & Duncan, S.D. The effects of prior aversive stimulation upon unlearned and instrumental behaviors. [Bulletin of the Psychonomic Society, 1974, 26.]}

^{Young, S.R., Powell, D.A., & Buchanan, S.L. Effect of maternal pyschoactive drug administration on behavior of mouse off-spring. [Behavior Genetics, 1975, 5, 112.]}

^{Powell, D.A. Concommitant conditioning of autonomic and somatic response systems: The effects of forebrain lesions. [Bull. of the Psychon. Soc., 1975, 6, 445.]}

^{Powell, D.A., Buchanan, S.L., & Milligan, W.L. Relationships between learning, performance, and arousal in aged vs. younger VA patients. [Journal of Gerontology, 1975, 45.]}

^{Shan, N.S., Gulati, O.D., Powell, D.A., & Kleinburd, V. Regional localization of 14C Mescaline in rabbit brain after intracerebroventricular administration: Effects of chlorpromazine and iproniazed pretreatment. [Proceedings of Federation of American Societies for Experimental Biology, 1975.]}

^{With Milligan, W.L., Buchanan, S.L., & Mull, P. (Presented by W.L. Milligan). Effect of septal lesions on heart rate responses accompanying classical eyeblink discrimination conditioning in the rabbit. Eastern Psychological Association, April, 1975.}

^{Powell, D.A., Joseph, J., & Albiniak, B.A. Peripheral autonomic blockade and differential classical conditioning in the rabbit (Oryctolagus Cuniculus). [Bull. of the Psychon. Soc., 1976, 8, 432.}

^{Powell, D.A., & Cordova, I. Learning and psychomotor performance in the elderly: Relationship to life satisfaction, attitudes, social interaction, and autonomic arousal. [Journal of Gerontology, 1977, 30, 109.]}

^{Francis, J., Buchanan, S.L., & Powell, D.A. Effects of septal and hippocampal lesions on Pavlovian conditioning of corneoretinal potential and heart rate and blood pressure changes. [Society for Neuroscience Abstracts, 1977, 3, 232.]}

^{Powell, D.A., Mankowski, D., & Buchanan, S.L. Concommitant somatic and cardiovascular conditioning: Effects of caudate lesions. [Society for Neuroscience Abstracts, 1977, 3, 238.]}

^{Francis, J.S., Hernandez, L.L., Clark, D.D., & Powell, D.A. Medial forebrain bundle lesions and Pavlovian conditioning of corneoretinal potential and heart rate changes. [Society for Neuroscience Abstracts, 1978, 4, 258.}

^{Powell, D.A., Buchanan, S.L., Hernandez, L.L., & Francis, J. Hippocampal and cortical control of Pavlovian conditioned autonomic and somatic responses. [Society for Neuroscience Abstracts, 1978, 4, 273.]}

^{Powell, D.A., Buchanan, S.L., & Hernandez, L.L. Classical conditioning in old and young rabbits. [Bull. of the Psychon. Soc., 1978, 11, 273.]}

^{Shah, N.S., Powell, D.A., Yates, J.D., May, D.A., & Eargle, D.J. Cerebral distribution of 14C Methylphenidate in rabbit. [American Society for Neurochemistry, 1979, 10, 142.}

^{Powell, D.A., Shah, N.S., Yates, J.D., & May, D.A. Regional localization of [14C] methadone in rabbit brain after intracerebroventricular administration: Effect of naloxone pretreatment. [Society for Neuroscience Abstracts, 1979, 5, 569.]}

^{Buchanan, S.L., Hernandez, L.L., Powell, D.A., & Shah, N.S. Age-related changes in Pavlovian conditioning in rabbits: CNS correlates. [Society for Neuroscience Abstracts, 1979, 5, 3.]}

^{Powell, D.A., Hernandez, L.L., & Buchanan, S.L. Sex, CS intensity & Latent inhibition: Effects on Pavlovian corneoretinal potentional and heart rate conditioning. [Psychophysiology, 1980, 17, 297.]}

^{Powell, D.A., Buchanan, S.L., & Hernandez, L.L. Central scopolamine administration differentially affects the cardiac component of the orienting reflex and Pavlovian conditioning. [Society for Neuroscience Abstracts, 1980, 6, 168.]}

^{Invited Presentation: Primary bradycardia: Possible CNS substrates. USC School of Medicine Biomedical Seminar Series, January, 1980.}

^{What the bunny's heart tells the rabbits brain. South Carolina Chapter of the Society for Neuroscience, May, 1980.}

^{Shah, N.S., Day, J.F., Powell, D.A., & Donald, A.G. [3H] D-ALA-met enkephalamide binding to rabbit brain regions. [Transactions of the American Society of Neurochemistry, 1981, 12, 126.]}

^{With Brewer, D.R. The effects of scopolamine on Pavlovian eyeblink and heart rate conditioning. South Carolina Chapter of the Society for Neuroscience, May, 1981.}

^{With Buchanan, S.L. Anterior cingulate cortex modulates autonomic but not somatomotor Pavlovian conditioning. South Carolina Chapter of the Society for Neuroscience, May, 1981.}

^{With Hernandez, L.L. Opiate antagonism by naloxone influences Pavlovian conditioning in rabbits. South Carolina Chapter of the Society for Neuroscience, May, 1981.}

^{Invited Presentation: Forebrain control of time-dependent primary bradycardia. Symposium entitled: Biobehavioral Correlates of Cardiovascular Regulation. Annual Meeting of the Pavlovian Society, Baltimore, MD, December, 1981.}

^{Buchanan, S.L., & Powell, D.A. Cardiovascular responses elicited by electrical stimulation of midline neocortex and the mediodorsal and anterior thalamic nuclei of the conscious rabbit. [Society for Neuroscience Abstracts, 1982, 8, 74.]}

^{Powell, D.A., & Buchanan, S.L. Anterior cingulate cortex modulates autonomic, but not somatomotor Pavlovian conditioning. [Psychophysiology, 1982, 19, 341.}

^{With Wiscovitch, R., Shah, N.S., Shah, A.B., McAmis, W., & Orli, R. Localization of dextro-3H-amphetamine in various rabbit brain regions: Effects of Chlorpromazine. Third Annual Meeting of the S.C. Chapter of the Society for Neuroscience, May, 1982.}

^{With Buchanan, S.L. ACTH4-10: Effects on Pavlovian conditioning. Third Annual Metting of the S.C. Chapter of the Society of Neuroscience, May, 1982.}

^{With Ginn, S.R., & Valentine, J.D. CS duration and classical conditioning of heart rate and leg flexion responses in the rat. Third Annual Meeting of the S.C. Chapter of the Society for Neuroscience, May, 1982.}

^{With Shah, A.B., Shah, N.S., Wiscovitch, R., & McAmis, W. Distribution of 3H-levo-cocaine in brain regions of rabbit after intracerebroventricular administration. Third Annual Meeting of the S.C. Chapter of the Society for Neuroscience, May, 1982.}

^{With Sartiano, G.P., Valdiviesco, J., McFarland, J., Puckett, J., Butler, W., Gonzalez, F., Leventis, A.M., & Calkins, J.H. Trial oral nubain for chronic pain due to malignancy. Third Annual Meeting of the S.C. Chapter of the Society for Neuroscience, May, 1982.}

^{Invited Presentation: "Limbic System" at a symposium entitled "Neurobiological Bases of Conditioned Bradycardia}