[ sahy-koh-bahy-ol-uh-jee ]
/ ˌsaɪ koʊ baɪˈɒl ə dʒi /


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.
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.

Nearby words

  1. psychoanalytic therapy,
  2. psychoanalyze,
  3. psychobabble,
  4. psychobilly,
  5. psychobiography,
  6. psychochemical,
  7. psychochemistry,
  8. psychodelic,
  9. psychodiagnosis,
  10. psychodiagnostics

Origin of psychobiology

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

Related formspsy·cho·bi·o·log·i·cal [sahy-koh-bahy-uh-loj-i-kuh l] /ˌsaɪ koʊˌbaɪ əˈlɒdʒ ɪ kəl/, psy·cho·bi·o·log·ic, adjectivepsy·cho·bi·ol·o·gist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for psychobiology


/ (ˌsaɪkəʊbaɪˈɒlədʒɪ) /


psychol the attempt to understand the psychology of organisms in terms of their biological functions and structures
Derived Formspsychobiological (ˌsaɪkəʊˌbaɪəˈlɒdʒɪkəl), adjectivepsychobiologically, adverbpsychobiologist, 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

Medicine definitions for psychobiology


[ sī′kō-bī-ŏlə-jē ]


The study of the biological foundations of the mind, emotions, and mental processes.biopsychology
The school of psychiatry that interprets personality, behavior, and mental illness in terms of adaptive responses to biological, social, cultural, and environmental factors.
Related formspsy′cho•bi′o•logic (-bī′ə-lŏjĭk) null adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.