• Summary
  • Contents
  • Subject index

Via 100 entries, 21st Century Psychology: A Reference Handbook highlights the most important topics, issues, questions, and debates any student obtaining a degree in the field of psychology ought to have mastered for effectiveness in the 21st century. This two-volume reference resource, available both in print and online, provides an authoritative source to serve students’ research needs with more detailed information than encyclopedia entries but without the jargon, detail, or density found in a typical journal article or a research handbook chapter. Students will find chapters contained within these volumes useful as aids toward starting research for papers, presentations, or a senior thesis, assisting in deciding on areas for elective coursework or directions for graduate studies, or orienting themselves toward potential career directions in psychology.

Taste-Aversion Learning
Taste-aversion learning

In taste-aversion learning, an organism consumes a substance and experiences a nausea-inducing event. When this organism subsequently reencounters the edible substance, it will consume significantly less of it, especially when compared to controls that experienced the edible, but not the illness. Hence, the organism learns a taste aversion. Thus, taste-aversion learning is highly adaptive because it enables the foraging organism to identify potential sources of illness and learn to avoid them in the future. Considering its adaptive value, it is not surprising that evidence of taste-aversion learning has been shown across the entire animal kingdom including mammals, birds, reptiles, amphibians, fish, and insects. It is worth noting that the terms flavor-aversion learning and taste-aversion learning are used interchangeably, but technically, these terms ...

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