Aldis, 1975
Beatty, 1972, How blind is blind? A simple procedure for estimating observer naivete, Psychol. Bull., 78, 70, 10.1037/h0032929
Campbell, 1969, Ontogeny of adrenergic arousal and cholinergic inhibitory mechanisms in the rat, Science, 166, 635, 10.1126/science.166.3905.635
Campbell, 1977, Paradoxical effects of amphetamine on preweanling and postweanling rats, Science, 195, 888, 10.1126/science.557236
Eison, 1978, A refillable system for continuous amphetamine administration: effects upon social behavior in rat colonies, Communs. Psychopharmac., 2, 151
Ellinwood, 1973, Evolving behavior in the clinical and experimental amphetamine (model) psychosis, Am. J. Psychiat., 130, 1088, 10.1176/ajp.130.10.1088
Ellison, 1978, Stages of constant amphetamine intoxication: delayed appearance of abnormal social behavior in rat colonies, Psychopharmacology, 56, 293, 10.1007/BF00432852
Gambill, 1976, Effects of chronic d-amphetamine on social behavior of the rat: implications for an animal model of paranoid schizophrenia, Psychopharmacology, 50, 215, 10.1007/BF00426835
Ho, 1978, Discriminative stimulus properties of central stimulants, 67
Humphreys, 1981, Play as a reinforcer for maze-learning in juvenile rats, Anim. Behav., 29, 259, 10.1016/S0003-3472(81)80173-X
Lammers, 1968, Bizarre social behaviour in rats induced by a combination of a peripheral decarboxylase inhibitor and dopa, Eur. J. Pharmac., 5, 103, 10.1016/0014-2999(68)90163-5
McKenzie, 1971, Apomorphine-induced aggression in the rat, Brain Res., 34, 323, 10.1016/0006-8993(71)90284-8
Meaney, 1981, A descriptive study of social development in the rat, (Rattus norvegicus). Anim. Behav., 29, 34, 10.1016/S0003-3472(81)80149-2
Miczek, 1974, Intraspecies aggression in rats: effects of d-amphetamine and chlordiazepoxide, Psychopharmacologia, 39, 275, 10.1007/BF00422968
Miczek, 1976, Pharmacology of sex and aggression, 176
Nelson, 1978, Enhanced stereotypies after repeated injections but not continuous amphetamines, Neuropharmacology, 17, 1081, 10.1016/0028-3908(78)90045-X
Panksepp, 1979, The regulation of play: neurochemical controls, Soc. Neurosci. Abstr., 5, 172
Panksepp, 1981, The ontogeny of play in rats, Dev. Psychobiol., 14, 327, 10.1002/dev.420140405
Panksepp, 1980, Social deprivation and play in rats, Behav. Neural. Biol., 30, 197, 10.1016/S0163-1047(80)91077-8
Post, 1980, Intermittent versus continuous stimulation: effect of time interval on the development of sensitization or tolerance, Life Sci., 26, 1275, 10.1016/0024-3205(80)90085-5
Valzelli, 1967, Pharmacological control of aggressive behavior in mice, Eur. J. Pharmac., 2, 144, 10.1016/0014-2999(67)90040-4