What does biopsychology mean?
Biopsychology is the branch of psychology that investigates how biological processes give rise to behavior, thoughts, and emotions. Sometimes called biological psychology or behavioral neuroscience, it examines the roles of the brain and nervous system, neurotransmitters, hormones, and genetic factors in shaping everything from sleep and hunger to learning, memory, and mood. A student taking a biopsychology course might study how damage to a particular brain region affects language, or how stress hormones influence decision-making. The field is inherently interdisciplinary, drawing on techniques from neuroimaging, pharmacology, and molecular genetics, and its findings inform areas ranging from mental health treatment to drug development. Because it grounds psychological phenomena in measurable bodily mechanisms, biopsychology carries a connotation of scientific rigor, and it has become central to modern understandings of the mind–body relationship.
nounThe branch of psychology that studies how biological processes — especially the brain, nervous system, hormones, and genetics — influence behavior, thoughts, and emotions.
- The scientific study of the biological bases of behavior and mental processes, encompassing neuroscience, endocrinology, and genetics as they relate to mind and behavior.
"Her course in biopsychology explored how sleep deprivation alters memory consolidation in the hippocampus."
"In her graduate seminar on biopsychology, students dissected case studies of patients whose personalities changed after brain injury."
"Advances in imaging technology have made biopsychology one of the fastest-growing fields in modern psychology."
Rarely used; the plural may appear when referring to distinct schools or approaches within the field, but most writers treat biopsychology as uncountable.
"The textbook surveyed the various biopsychologies that emerged over the past century."
Every thought you've ever had was, in a very real sense, an electrical event — and biopsychology is the science that reads the wiring.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of biopsychology
Biopsychology is a compound of two classical roots: the Greek-derived prefix 'bio-' (from Greek 'bios,' meaning life) and 'psycho-' (from Greek 'psukhē,' meaning breath, spirit, or mind), joined to '-logy' (from Greek 'logos,' meaning word, reason, or study). The term thus literally denotes 'the study of life and mind.' It emerged in the late nineteenth and twentieth centuries as psychologists increasingly sought physiological explanations for behavior, alongside near-synonymous coinages such as psychobiology and physiological psychology. Its sibling words include biology, psychology, and psychiatry, all built from the same Greek elements.
Related word forms
How biopsychology is actually used
A formal, academic term used almost exclusively in scholarly and educational contexts. In everyday speech, speakers are far more likely to say 'neuroscience' or 'brain science.' The term is standard in both British and American universities, often appearing as the title of introductory courses.
Easily confused with biopsychology
Psychobiology and biopsychology are largely interchangeable labels for the same field, though psychobiology historically emphasizes the reverse framing (psychological states as causes of biological change).
Neuropsychology focuses specifically on the relationship between brain function and cognitive abilities, often in clinical assessment, whereas biopsychology more broadly includes hormones, genetics, and the whole nervous system.