[ sahy-koh-bahy-ol-uh-jee ]

  1. the use of biological methods to study normal and abnormal emotional and cognitive processes, as the anatomical basis of memory or neurochemical abnormalities in schizophrenia.

  2. the branch of biology dealing with the relations or interactions between body and behavior, especially as exhibited in the nervous system, receptors, effectors, or the like.

Origin of psychobiology

From the German word Psychobiologie, dating back to 1900–05. See psycho-, biology

Other words from psychobiology

  • psy·cho·bi·o·log·i·cal [sahy-koh-bahy-uh-loj-i-kuhl], /ˌsaɪ koʊˌbaɪ əˈlɒdʒ ɪ kəl/, psy·cho·bi·o·log·ic, adjective
  • psy·cho·bi·ol·o·gist, noun

Words Nearby psychobiology Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for psychobiology


/ (ˌsaɪkəʊbaɪˈɒlədʒɪ) /

  1. psychol the attempt to understand the psychology of organisms in terms of their biological functions and structures

Derived forms of psychobiology

  • psychobiological (ˌsaɪkəʊˌbaɪəˈlɒdʒɪkəl), adjective
  • psychobiologically, adverb
  • psychobiologist, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012