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
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. 2018

Examples from the Web for psychobiological

Historical Examples of psychobiological

  • We have frequently spoken of it, however, as a psychobiological reaction.

    Benign Stupors

    August Hoch

British Dictionary definitions for psychobiological


  1. 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

psychobiological in Medicine


  1. The study of the biological foundations of the mind, emotions, and mental processes.biopsychology
  2. 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.