Stereotypies are repetitive, invariant behaviour patterns with no obvious goal or function.
They seem to be restricted to captive animals, mentally ill or handicapped humans, and …

Animals will work (eg lever press) for 'earned'food even though identical 'free'food can easily
be obtained from a nearby dish. This phenomenon, called contrafreeloading, appears to …

Much of social life involves interactions between individuals or corporate actors in dyads,
groups, organizations or networks that can be viewed as social exchanges. This chapter …

Erlernte Hilflosigkeit Page 1 Martin EP Seligman Erlernte Hilflosigkeit 5., korrigierte Auflage
erweitert um: Franz Petermann Neue Konzepte LamJea-Lehrar-BibÜQthek des Fürstentums …

To study animal welfare empirically we need an objective basis for deciding when an animal
is suffering. Suffering includes a wide range ofunpleasant emotional states such as fear …

Discusses the rationale, principles, procedures, criticisms, and moral issues involved in
cognitive behavior modification. Models of covert conditioning and cognitive learning, the …

The brief tenure of environmental enrichment has been influenced both directly and
indirectly by the field of psychology, from the work of BF Skinner to that of Hal Markowitz …

Hypothesized that some of the characteristics frequently observed among the aged (eg,
feelings of depression and helplessness and accelerated physical decline) are at least in …

The concept of reinforcement is at least incomplete and almost certainly incorrect. An
alternative way of organizing our understanding of behavior may be built around three …

Abstract “Cognitive enrichment” is a subset of enrichment that has gained interest from
researchers over the past decade, particularly those working in zoos. This review explores …