phenylalkylamine

n. any of a group of natural and synthetic drugs that can produce hallucinogenic effects. They include the phenylethylamines, such as mescaline, and the phenylisopropylamines (substituted phenylethylamines), such as MDMA.

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Psychology term of the day

December 18th 2024

seriation

n. the process of arranging a collection of items in a specific order (series) on the basis of a particular dimension (e.g., size). According to Piagetian theory, this ability is necessary for understanding the concepts of numbers, time, and measurement and is acquired by children during the concrete operational stage.