Affective consciousness: Core emotional feelings in animals and humans

Adolphs, 2003, Dissociable neural systems for recognizing emotions, Brain and Cognition, 52, 61, 10.1016/S0278-2626(03)00009-5 Augustine, 1996, Circuitry and functional aspects of the insular lobe in primates including humans, Brain Research Reviews, 22, 229, 10.1016/S0165-0173(96)00011-2 Baars, 2003, Brain, conscious experience and the observing self, Trends in Neurosciences, 26, 671, 10.1016/j.tins.2003.09.015 Bardo, 2000, Conditioned place preference: What does it add to our preclinical understanding of drug reward?, Psychopharmacology, 153, 31, 10.1007/s002130000569 Bekkedal, 1997, Prolactin and modulation of social processes in domestic chicks, Annals of the New York Academy of Sciences, 807, 472, 10.1111/j.1749-6632.1997.tb51941.x Bekkedal, 1999, Fetal and neonatal exposure to trimethylolpropane phosphate alters rat social behavior and emotional responsivity, Neurotoxicology & Teratology, 21, 435, 10.1016/S0892-0362(99)00002-1 Bekoff, 2000 Bennett, 2003 Berridge, 2000, Measuring hedonic impact in animals and infants: microstructure of affective taste reactivity patterns, Neuroscience and Biobehavioral Reviews, 24, 173, 10.1016/S0149-7634(99)00072-X Berridge, 2003, Comparing the emotional brains of humans and other animals, 25 Berridge, 2003, Parsing reward, Trends in Neurosciences, 9, 507, 10.1016/S0166-2236(03)00233-9 Bickle, 2003 Blanchard, C., Blanchard, R., Fellous, J.-M., Guimaraes, F. S., Irwin, W., LeDoux, J. E., et al. (2001a). The brain decade in debate: III. Neurobiology of emotion. Brazilian Journal of Medical & Biological Research, 34, 283–293. Available from http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2001000300001&lng=en&nrm=iso>.ISSN0100-879X Blanchard, 2001, Cue and context conditioning of defensive behaviors to cat odor stimuli, Neuroscience and Biobehaivoral Reviews, 25, 587, 10.1016/S0149-7634(01)00043-4 Blumberg, 2001, Do infant rats cry?, Psychological Review, 108, 83, 10.1037/0033-295X.108.1.83 Blumberg, 2003, Hard heads and open minds: A reply to Panksepp (2003), Psychological Review, 110, 389, 10.1037/0033-295X.110.2.389 Blumberg, 1995, Animal minds and the argument from design, American Psychologist, 50, 133, 10.1037/0003-066X.50.3.133 Bodkin, 1995, Buprenorphine treatment of refractory depression, Journal of Clinical Psychopharmacology, 16, 49, 10.1097/00004714-199502000-00008 Bowlby, J. (1972). Attachment and loss: Vol. 1. Attachment, New York: Basic Books Brady, 2004, Dopaminergic modulation of prefrontal cortical input to nucleus accumbens neurons in vivo, Journal of Neuroscience, 24, 1040, 10.1523/JNEUROSCI.4178-03.2004 Breland, 1961, The misbehavior of organisms, American Psychologist, 16, 681, 10.1037/h0040090 Broom, 2001 Brown, 2003, Social support and experimental pain, Psychosomatic Medicine, 65, 276, 10.1097/01.PSY.0000030388.62434.46 Buck, 1999, The biological affects: A typology, Psychological Review, 106, 301, 10.1037/0033-295X.106.2.301 Burgdorf, 2001, Nucleus accumbens amphetamine microinjections unconditionally elicit 50kHz ultrasonic vocalizations in rats, Behavioral Neuroscience, 115, 940, 10.1037/0735-7044.115.4.940 Burgdorf, 2001, Evaluation of rat ultrasonic vocalizations as predictors of the conditioned aversive effects of drugs, Psychopharmacology, 155, 35, 10.1007/s002130100685 Burgdorf, J., Panksepp, J., Brudzynski, S. M., Kroes, R., & Moskal, J. (2005). Breeding for 50-kHz positive affective vocalizations in rats. Behavior Genetics, in press Burghardt, 1997, Amending Tinbergen: A fifth aim for ethology, 254 Cabanac, 2005, The experience of pleasure in animals Cabanac, 1992, Pleasure: The common currency, Journal of Theoretical Biology, 155, 173, 10.1016/S0022-5193(05)80594-6 Callaway, 1996, Buprenorphine for depression: The un-adoptable orphan, Biological Psychiatry, 39, 989, 10.1016/0006-3223(96)00158-8 Carter, 1998, Neuroendocrine perspectives on social attachment and love, Psychoneuroendocrinology, 8, 779, 10.1016/S0306-4530(98)00055-9 Carter, 2003, Developmental consequences of oxytocin, Physiology & Behavior, 79, 383, 10.1016/S0031-9384(03)00151-3 Ciccocioppo, 2003, The bed nucleus is a neuroanatomical substrate for the anorectic effect of corticotropin-releasing factor and for its reversal by nociceptin/orphanin FQ, The Journal of Neuroscience, 23, 9445, 10.1523/JNEUROSCI.23-28-09445.2003 Ciompi, 2004, Energetic effects of emotions on cognitions—complementary psychobiological and psychosocial finding, Vol. 1, 23 Costall, 1998, Lloyd Morgan, and the rise and fall of “animal psychology”, Society & Animals, 6, 13, 10.1163/156853098X00023 Cowey, 1995, Blindsight in monkeys, Nature, 373, 247, 10.1038/373247a0 Craig, 2003, How do you feel? Interoception: The sense of the physiological condition of the body, Nature Reviews Neuroscience, 3, 655, 10.1038/nrn894 Craig, 2003, Interoception, the sense of the physiological condition of the body, Current Opinion in Neurobiology, 13, 500, 10.1016/S0959-4388(03)00090-4 Damasio, 1999 Damasio, 2003 Damasio, 2003, Transparent feelings: A reply to Jaak Panksepp and Douglass Watt, Neuro-Psychoanalysis, 5, 215 Damasio, 2000, Subcortical and cortical brain activity during the feeling of self-generated emotions, Nature Neuroscience, 3, 1049, 10.1038/79871 Darwin, C. (1871). The descent of man, and selection in relation to sex. Princeton, NJ: Reprinted by Princeton University Press Darwin, 1872 Davidson, 2003 Davis, 2003, The affective neuroscience personality scales: Normative data and implications, Neuro-Psychoanalysis, 5, 57 Dawkins, 1980 DeLancey, 2002 Dickinson, 2000, Causal cognition and goal-directed action, 185 Dolan, 2002, Emotion, cognition, and behavior, Science, 298, 1191, 10.1126/science.1076358 Drevets, 2001, Amphetamine-induced dopamine release in human ventral striatum correlates with euphoria, Biological Psychiatry, 49, 81, 10.1016/S0006-3223(00)01038-6 Edelman, 2004 Eisenberger, 2003, Does rejection hurt? An fMRI study of social exclusion, Science, 302, 290, 10.1126/science.1089134 Freeman, 2001 Freeman, 2003, The wave packet, an action potential for the 21st century, Journal of Integrative Neuroscience, 2, 3, 10.1142/S0219635203000214 Freeman, 2003, A neurobiological theory of meaning in perception, Part I, Information and meaning in nonconvergent and nonlocal brain dynamics, International Journal of Bifurcation and Chaos, 13, 2493, 10.1142/S0218127403008144 Gallese, 2003, The roots of empathy: the shared manifold hypothesis and the neural basis of intersubjectivity, Psychopathology, 36, 171, 10.1159/000072786 Griffiths, 1997 Harmon-Jones, 2003, Clarifying the emotive functions of asymmetrical frontal cortical activity, Psychophysiology, 40, 838, 10.1111/1469-8986.00121 Heath, 1996 Hebb, 1946, Emotion in man and animal: The intuitive processes of recognition, Psychological Review, 53, 88, 10.1037/h0063033 Herman, 1981, Ascending endorphinergic inhibition of distress vocalization, Science, 211, 1060, 10.1126/science.7466377 Hess, 1957 Hilgard, 1962, Impulsive versus realistic thinking: An examination of the distinction between primary and secondary processes in thought, Psychological Bulletin, 59, 477, 10.1037/h0042630 Ikemoto, 1992, The effects of early social isolation on the motivation for social play in juvenile rats, Developmental Psychobiology, 25, 261, 10.1002/dev.420250404 Ikemoto, 1999, The role of nucleus accumbens DA in motivated behavior, a unifying interpretation with special reference to reward-seeking, Brain Research Reviews, 31, 6, 10.1016/S0165-0173(99)00023-5 Insel, 2003, Is social attachment an addictive disorder?, Physiology & Behavior, 79, 351, 10.1016/S0031-9384(03)00148-3 Insel, 2003, The neurobiology of affiliation: Implications for autism, 1010 Johansen, 2001, The affective component of pain in rodents, direct evidence for a contribution of the anterior cingulate cortex, Proceedings of the National Academy of Sciences of the United States of America, 98, 8077, 10.1073/pnas.141218998 Kalin, 1998, Opiate modulation of separation-induced distress in non-human primates, Brain Research, 440, 285, 10.1016/0006-8993(88)90997-3 Kaplan-Solms, 2000 Kelley, 1997, Response-reinforcement learning is dependent on N-methyl-d-aspartate receptor activation in the nucleus accumbens core, Proceedings of the National Academy of Sciences of the United States of America, 94, 12174, 10.1073/pnas.94.22.12174 Keverne, 1989, B-endorphin concentrations in CSF of monkeys are influenced by grooming relationships, Psychoneuroendocrinology, 14, 155, 10.1016/0306-4530(89)90065-6 Knutson, 1998, Anticipation of play elicits high-frequency ultrasonic vocalizations in young rats, Journal of Comparative Psychology, 112, 65, 10.1037/0735-7036.112.1.65 Knutson, 2002, Ultrasonic vocalizations as indices of affective states in rats, Psychological Bulletin, 128, 961, 10.1037/0033-2909.128.6.961 Krieckhaus, 1970, “Innate recognition” aids rats in sodium regulation, Journal of Comparative and Physiological Psychology, 73, 117, 10.1037/h0030020 Lamb, 1991, The reinforcing and subjective effects of morphine in post-addicts: a dose-response study, The Journal of Pharmacology and Experimental Therapeutics, 259, 1165 Lambie, 2003, Intentional avoidance and social understanding in repressors and nonrepressors, Consciousness & Emotion, 4, 17, 10.1075/ce.4.1.03lam Lambie, 2002, Consciousness and the varieties of emotion experience, A theoretical framework, Psychological Review, 109, 219, 10.1037/0033-295X.109.2.219 2000 Leary, 2000, Hurt feelings, The neglected emotion LeDoux, 1996 LeDoux, 2002 Lehrman, 1953, Problems raised by instinct theories, Quarterly Review of Biology, 28, 337, 10.1086/399858 Lewis, M. D. (2005). Linking emotion theory and neurobiology through dynamic system modeling. Behavioral and Brain Sciences, in press Leyton, 2002, Amphetamine-induced increases in extracellular dopamine, drug wanting, and novelty seeking: A PET/[11C]raclopride study in healthy men, Neuropsychopharamcology, 27, 1027, 10.1016/S0893-133X(02)00366-4 Liberzon, 1997, Motivational properties of oxytocin in the conditioned place preference paradigm, Neuropsychopharmacology, 17, 353, 10.1016/S0893-133X(97)00070-5 Lindsay, W. L. (1879). Mind in the lower animals in health and disease: Vol. II. Mind in Disease. London: C. Kegan Paul & Co Liotti, 2004, Imaging human emotions and affective feelings, Implications for biological psychiatry, 33 MacDonald, G., & Leary, M. R. (2005). Why does social exclusion hurt? The relationship between social and somatic pain. Psychological Review, in press MacLean, 1990 Macphail, 1998 Manstead, 2004 Martinez, 2001, Only self-paced mating is rewarding in rats of both sexes, Hormones and Behavior, 40, 510, 10.1006/hbeh.2001.1712 Masson, 2003 Mayberg, 2004, Depression: A neuropsychiatric perspective, 197 2005 McMillan, 2000, Quality of life in animals, Journal of the American Veterinary Medicine Association, 12, 1904, 10.2460/javma.2000.216.1904 Mobbs, 2003, Humor modulates the mesolimbic reward centers, Neuron, 40, 1041, 10.1016/S0896-6273(03)00751-7 Moles, 2004, Deficit in attachment behavior in mice lacking the μ-opioid receptor gene, Science, 304, 1983, 10.1126/science.1095943 Morris, 1998, Conscious and unconscious emotional learning in the human amygdala, Nature, 393, 467, 10.1038/30976 Murphy, 2003, Functional neuroanatomy of emotions, A meta-analysis, Cognitive, Affective, & Behavioral Neuroscience, 3, 207, 10.3758/CABN.3.3.207 Nelson, 1996, Oxytocin and infant–mother bonding in rats, Behavioral Neuroscience, 110, 583, 10.1037/0735-7044.110.3.583 Nelson, 1998, Brain substrates of infant–mother attachment, Contributions of opioids, oxytocin, and norepinephrine, Neuroscience & Biobehavioral Reviews, 22, 437, 10.1016/S0149-7634(97)00052-3 Numan, 2003 Olds, 1977 Ostow, 2004, Mood regulation—spontaneous and pharmacologically assisted, Neuro-Psychoanalysis, 6, 77 Overall, 1997, Pharmacologic treatments for behavior problems, The Veterinary Clinics of North America Small Animal Practice, 27, 637, 10.1016/S0195-5616(97)50058-1 Panksepp, 1971, Aggression elicited by electrical stimulation of the hypothalamus in albino rats, Physiology & Behavior, 6, 311, 10.1016/0031-9384(71)90161-2 Panksepp, 1980, Brief social isolation, pain responsivity, and morphine analgesia in young rats, Psychopharmacology, 72, 111, 10.1007/BF00433816 Panksepp, 1981, Hypothalamic integration of behavior: Rewards, punishments, and related psychobiological process, 289 Panksepp, 1982, Toward a general psychobiological theory of emotions, The Behavioral and Brain Sciences, 5, 407, 10.1017/S0140525X00012759 Panksepp, J. (1985). Mood changes. In Handbook of clinical neurology: Vol. 1. (45). Clinical neuropsychology. (pp. 271–285). Amsterdam: Elsevier Science Publishers Panksepp, 1986, The anatomy of emotions, 91 Panksepp, 1986, The neurochemistry of behavior, Annual Review of Psychology, 37, 77, 10.1146/annurev.ps.37.020186.000453 Panksepp, 1986, The psychobiology of prosocial behaviors: Separation distress, play, and altruism, 19 Panksepp, 1988, Posterior pituitary hormones and separation distress in chicks, Neuroscience Abstracts, 14, 287 Panksepp, J. (1989/2004). Altruism and helping behaviors. In G. Adelman, B. H. Smith (Eds.), Encyclopedia of neuroscience (1st–3rd ed.). New York: Elsevier Panksepp, 1990, Can “mind” and behavior be understood without understanding the brain?: A response to Bunge, New Ideas in Psychology, 8, 139, 10.1016/0732-118X(90)90003-K Panksepp, 1990, Gray zones at the emotion/cognition interface: A commentary, Cognition and Emotion, 4, 289, 10.1080/02699939008410800 Panksepp, 1990, The psychoneurology of fear: Evolutionary perspectives and the role of animal models in understanding human anxiety, 3 Panksepp, 1991, Affective Neuroscience: A conceptual framework for the neurobiological study of emotions, 59 Panksepp, 1992, A critical role for “affective neuroscience” in resolving what is basic about basic emotions, Psychological Review, 99, 554, 10.1037/0033-295X.99.3.554 Panksepp, 1992, Oxytocin effects on emotional processes, separation distress, social bonding, and relationships to psychiatric disorders, Annals of New York Academy of Sciences, 652, 243, 10.1111/j.1749-6632.1992.tb34359.x Panksepp, 1993, Neurochemical control of moods and emotions, Amino acids to neuropeptides, 87 Panksepp, 1998 Panksepp, 1998, The periconscious substrates of consciousness, Affective states and the evolutionary origins of the SELF, Journal of Consciousness Studies, 5, 566 Panksepp, 1998, Attention deficit disorders, psychostimulants, and intolerance of childhood playfulness, A tragedy in the making?, Current Directions in Psychological Sciences, 7, 91, 10.1111/1467-8721.ep10774709 Panksepp, 1999, Emotions as viewed by psychoanalysis and neuroscience, An exercise in consilience, Neuro-Psychoanalysis, 1, 15 Panksepp, 2000, On preventing another century of misunderstanding: Toward a psychoethology of human experience and a psychoneurology of affect, Neuro-Psychoanalysis, 2, 240 Panksepp, J. (2000b). Affective consciousness and the instinctual motor system, The neural sources of sadness and joy. In R. Ellis, N. Newton (Eds). The caldron of consciousness, motivation, affect and self-organization. Advances in consciousness research. (Vol. 16, pp. 27–54). Amsterdam: John Benjamins Pub. Co Panksepp, 2000, The neurodynamics of emotions, An evolutionary-neurodevelopmental view, 236 Panksepp, 2000, The riddle of laughter: Neural and psychoevolutionary underpinnings of joy, Current Directions in Psychological Sciences, 9, 183, 10.1111/1467-8721.00090 Panksepp, 2001, The long-term psychobiological consequences of infant emotions, Prescriptions for the 21st century, Infant Mental Health Journal, 22, 132, 10.1002/1097-0355(200101/04)22:1<132::AID-IMHJ5>3.0.CO;2-9 Panksepp, 2001, The neuro-evolutionary cusp between emotions and cognitions, Emergence of a unified mind science, Evolution and Cognition, 7, 141 Panksepp, 2002, The MacLean legacy and some modern trends in emotion research, ix Panksepp, 2003, At the interface of affective, behavioral and cognitive neurosciences. Decoding the emotional feelings of the brain, Brain and Cognition, 52, 4, 10.1016/S0278-2626(03)00003-4 Panksepp, 2003, Feeling the pain of social loss, Science, 302, 237, 10.1126/science.1091062 Panksepp, 2003, Can anthropomorphic analyses of separation cries in other animals inform us about the emotional nature of social loss in humans? Comment on Blumberg and Sokoloff 2001, Psychological Review, 110, 376, 10.1037/0033-295X.110.2.376 Panksepp, 2003, Damasio’s error?, Consciousness & Emotion, 4, 111, 10.1075/ce.4.1.10pan Panksepp, J. (2003e). The peri-conscious substrates of affective consciousness. PSYCHE, 9 (15). Available from http://psyche.cs.monash.edu.au/symposia/mangan/panksepp.html Panksepp, 2004, Affective consciousness and the origins of human mind: A critical role of brain research on animal emotions, Impuls, 57, 47 Panksepp, 2004, Core emotional feelings in animals 2004 Panksepp, 2004, The emerging neuroscience of fear and anxiety: Therapeutic practice and clinical implications, 587 Panksepp, J. (2005a). Why does separation-distress hurt?: A comment on MacDonald and Leary. Psychological Review, in press Panksepp, J. (2005b). Feelings of social loss: The evolution of pain and the ache of a broken art. In M. Aydede (Ed.), Consciousness & Emotions. (Vol. 2). Amsterdam: John Benjamin, in press Panksepp, 1980, Opioid blockade and social comfort in chicks, Pharmacology Biochemistry & Behavior, 13, 673, 10.1016/0091-3057(80)90011-8 Panksepp, 1997, Neuropeptides and the varieties of anxiety in the brain, Italian Journal of Psychopathology, 1, 18 Panksepp, 1981, An autoradiographic map of 3H diprenorphine binding in the rat brain. Effects of social interaction, Brain Research Bulletin, 7, 405, 10.1016/0361-9230(81)90038-1 Panksepp, 1999, Laughing rats? Playful tickling arouses high frequency ultrasonic chirping in young rodents, 124 Panksepp, 2003, “Laughing” rats and the evolutionary antecedents of human joy?, Physiology & Behavior, 79, 533, 10.1016/S0031-9384(03)00159-8 Panksepp, 2004, Regional brain cholecystokinin changes as a function of friendly and aggressive social interactions in rats, Brain Research, 1025, 75, 10.1016/j.brainres.2004.07.076 Panksepp, 2001, Toward a genetics of joy: Breeding rats for “laughter”, 124 Panksepp, 2003, Modeling ADHD-type arousal with unilateral frontal cortex damage in rats and beneficial effects of play therapy, Brain and Cognition, 52, 97, 10.1016/S0278-2626(03)00013-7 Panksepp, 1983, Opioid effects on social behavior of kennel dogs, Applied Animal Ethology, 10, 63, 10.1016/0304-3762(83)90112-8 Panksepp, 1990, Selective lesions of the dual olfactory system and cat smell-attenuated play fighting among juvenile rats, Aggressive Behavior, 16, 130 Panksepp, 2004, The future of neuropeptides in biological psychiatry and emotional psychopharmacology, Goals and strategies, 627 Panksepp, 1980, Endogenous opioids and social behavior, Neuroscience and Biobehavioral Reviews, 4, 473, 10.1016/0149-7634(80)90036-6 Panksepp, 2002, The role of brain emotional systems in addictions, A new neuro-evolutionary perspective and new ‘self-report’ animal model, Addiction, 97, 459, 10.1046/j.1360-0443.2002.00025.x Panksepp, 1991, Naltrexone and other potential new pharmacological treatments of autism, Brain Dysfunction, 4, 281 Panksepp, J., & Moskal, J. (2004). Dopamine, pleasure and appetitive eagerness, an emotional systems overview of the trans-hypothalamic “reward” system in the genesis of addictive urges. In S. Barsch (Ed.), The cognitive, behavioral and affective neursociences in psychiatric disorders, in press Panksepp, 2002, Comparative approaches in evolutionary psychology, Molecular neuroscience meets the mind, Neuroendocrinology Letters, 23, 105 Panksepp, 1997, Brain systems for the mediation of social separation-distress and social-reward. Evolutionary antecedents and neuropeptide intermediaries, Annals of the New York Academy of Sciences, 807, 78, 10.1111/j.1749-6632.1997.tb51914.x Panksepp, 1992, Critical conceptual issues in the analysis of separation-distress systems of the brain, Vol. 2 Panksepp, 2004, The roled of emotional systems in addiction, A neuroethological perspective, 85 Panksepp, 1994, Effects of neonatal decortication on the social play of juvenile rats, Physiology & Behavior, 56, 429, 10.1016/0031-9384(94)90285-2 Panksepp, 1988, Neural and neurochemical control of the separation distress call, 263 Panksepp, 2000, The seven sins of evolutionary psychology, Evolution and Cognition, 6, 108 Panksepp, 2004, Toward a taxonomy of affects, NeuroPsychoanalysis, 6, 199 Panksepp, 1991, The psycho- and neurobiology of fear systems in the brain, 7 Panksepp, 1984, The psychobiology of play: Theoretical and methodological perspectives, Neuroscience and Biobehavioral Reviews, 8, 465, 10.1016/0149-7634(84)90005-8 Panksepp, 2003, The ego is first and foremost a body ego. Review of Antonio Damasio’s looking for spinoza, Neuro-Psychoanalysis, 5, 201 Panksepp, 1991, Simple ethological models of depression; social-isolation induced “despair” in chicks and mice, 161 Panksepp, 2004, Towards a neurobiologically based unified theory of aggression, Revue Internationale de Psychologie Sociale/International Review of Social Psychology, 17, 37 Pfaff, 1999 Phan, 2002, Functional neuroanatomy of emotion, A meta-analysis of emotion activation studies in PET and fMRI, Neuroimage, 16, 331, 10.1006/nimg.2002.1087 Poeck, 1969, Pathophysiology of emotional disorders associated with brain damage, 343 Provine, 2000 Reddy, 2003, On being the object of attention, Self-other consciousness, Trends in Cognitive Sciences, 7, 397, 10.1016/S1364-6613(03)00191-8 Reuter, M., Panksepp, J., Schnabel, N., Kellerhoff, N., Kempel, P., & Hennig, J. (2004). Personality and biological markers of creativity. European Journal of Personality, in press Rollin, 1998 Rolls, 1999 Romanes, 1897 Rosen, 1998, From normal fear to pathological anxiety, Psychological Review, 105, 325, 10.1037/0033-295X.105.2.325 Rossi III, 1992, Analysis of the relationships between self-stimulation sniffing and brain-stimulation sniffing, Physiology and Behavior, 51, 805, 10.1016/0031-9384(92)90119-M Russell, 2003, Core affect and the psychological construction of emotion, Psychological Review, 110, 145, 10.1037/0033-295X.110.1.145 Sacks, 1987, Electrical stimulation of the lateral hypothalamic fear/flight sites in rats produces conditional freezing, Neuroscience Abstracts, 13, 452 Sales, 1988, Environmental ultrasound in laboratories and animal houses, a possible cause for concern in the welfare and use of laboratory animals, Laboratory Animals, 22, 369, 10.1258/002367788780746188 Schultz, 1998, Predictive reward signal of DA neurons, Journal of Neurophysiology, 80, 1, 10.1152/jn.1998.80.1.1 Schultz, 2000, Multiple reward signals in the brain, Nature Reviews Neuroscience, 1, 199, 10.1038/35044563 Schultz, 2002, Getting formal with DA reward, Neuron, 36, 241, 10.1016/S0896-6273(02)00967-4 Scott, 2003, Rough and tumble play in human children, Aggressive Behavior, 29, 539, 10.1002/ab.10062 Sewards, 2000, The awareness of thirst: Proposed neural correlates, Consciousness and Cognition, 9, 463, 10.1006/ccog.2000.0462 Sewards, 2003, Fear and power-dominance motivation: Proposed contributions of peptide hormones present in cerebrospinal fluid and plasma, Neuroscience and Biobehavioral Reviews, 27, 247, 10.1016/S0149-7634(03)00034-4 Shayit, 2003, Establishment of a preference by the newborn lamb for its mother: The role of opioids, Behavioral Neuroscience, 117, 446, 10.1037/0735-7044.117.3.446 Sheehan, 2004, Regulation of affect by the lateral septum: Implications for neuropsychiatry, Brain Research Reviews, 46, 71, 10.1016/j.brainresrev.2004.04.009 Shewmon, 1999, Consciousness in congenitally decorticate children: Developmental vegetative state as self-fulfilling prophecy, Developmental Medicine and Child Neurology, 41, 364, 10.1017/S0012162299000821 Singer, 2004, Empathy for pain involves the affective but not sensory components of pain, Science, 303, 1157, 10.1126/science.1093535 Siviy, 1985, Energy balance and play in juvenile rats, Physiology & Behavior, 35, 435, 10.1016/0031-9384(85)90320-8 Siviy, 1987, Sensory modulation of juvenile play in rats, Developmental Psychobiology, 20, 39, 10.1002/dev.420200108 Solms, 2002 Spina, 1996, Appetite-suppressing effects of urocortin, a CRF-related neuropeptide, Science, 273, 1561, 10.1126/science.273.5281.1561 Stutz, 1974, Discriminability of intracranial stimuli: The role of anatomical connectedness, Physiology & Behavior, 12, 69, 10.1016/0031-9384(74)90069-9 Thomas, 1996 Toates, 2004, Cognition, motivation, emotion and action: A dynamic and vulnerable interdependence, Applied Animal Behavioural Science, 86, 173, 10.1016/j.applanim.2004.02.010 Tononi, 2000, Schizophrenia and the mechanisms of conscious integration, Brain Research Reviews, 31, 391, 10.1016/S0165-0173(99)00056-9 Trowill, 1969, An incentive model of rewarding brain stimulation, Psychological Review, 76, 264, 10.1037/h0027295 Uvnas-Möberg, 1998, Oxytocin may mediate the benefits of positive social interaction and emotions, Psychoneuroendocrinology, 23, 819, 10.1016/S0306-4530(98)00056-0 Vanderschuren, 1997, The neurobiology of social play behavior in rats, Neuroscience and Biobehavioral Reviews, 3, 309, 10.1016/S0149-7634(96)00020-6 Van Honk, 2004, Testosterone shifts the balance between sensitivity for punishment and reward in healthy young women, Psychoneuroendocrinology, 29, 937, 10.1016/j.psyneuen.2003.08.007 Viau, 2002, Functional cross-talk between the hypothalamic–pituitary–gonadal and –adrenal axes, Journal of Neuroendocrinology, 14, 506, 10.1046/j.1365-2826.2002.00798.x Volkow, 2002, Role of dopamine in drug reinforcement and addiction in humans, results from imaging studies, Behavioural Pharmacology, 13, 355, 10.1097/00008877-200209000-00008 Voruganti, 2004, Neuroleptic dysphoria: Toward a new synthesis, Psychopharmacology, 171, 121, 10.1007/s00213-003-1648-y Watt, 2000, The centrencephalon and thalamocortical integration: neglected contributions of the periaqueductal gray, Emotion and Consciousness, 1, 93, 10.1075/ce.1.1.06wat Watt, 2004, Neural substrates of consciousness: implications for clinical psychiatry, 75 Weller, 2003, Emotion regulation and touch in infants: the role of cholecystokinin and opioids, Peptides, 24, 779, 10.1016/S0196-9781(03)00118-9 Whishaw, 2001, Accelerated nervous system development contributes to behavioral efficiency in the laboratory mouse: A behavioral review and theoretical proposal, Developmental Psychobiology, 39, 151, 10.1002/dev.1041 Winslow, 1991, Endogenous opioids: Do they modulate the rat pup’s response to social isolation, Behavioral Neuroscience, 105, 253, 10.1037/0735-7044.105.2.253 Wise, 2002, Brain reward circuitry: Insights from unsensed incentives, Neuron, 36, 229, 10.1016/S0896-6273(02)00965-0 Wise, 2004, Dopamine, learning and motivation, Nature Reviews Neuroscience, 5, 1, 10.1038/nrn1406 Wynne, 2004 Zachar, 2001, Basic emotions and their biological substrates, A nominalistic interpretation, Consciousness & Emotion, 2, 189, 10.1075/ce.2.2.02zac Zald, 2003, The human amygdala and the emotional evaluation of sensory stimuli, Brain Research Reviews, 41, 88, 10.1016/S0165-0173(02)00248-5 Zubieta, 2003, Regulation of human affective responses by anterior cingulate and limbic mu-opioid neurotransmission, Archives of General Psychiatry, 60, 1145, 10.1001/archpsyc.60.11.1145