Patient talking with his therapist

Biological Psychology

Neuroscience and biological psychology have a tremendous influence on our mental health. Learn how the brain and nervous system significantly impact our behavior.
Illustration of a human brain
The Science Behind How New Brain Cells Are Generated
Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN
Number of neurons in the human brain.
How Many Neurons Are in the Brain?
Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN
neuron network graphic
All-or-None Law for Nerves and Muscles
Medically reviewed by Steven Gans, MD
Man reading a document
Parts of a Neuron and How Signals are Transmitted
Fact checked by Adah Chung
A woman with dementia at a day facility for the elderly.
Organic Mental Disorder Causes and Treatment
Medically reviewed by Steven Gans, MD
fight or flight response illustration
How the Fight-or-Flight Response Works
Medically reviewed by Steven Gans, MD
Mother sleeping with newborn baby on bed
Interpersonal Neurobiology for Studying Healthy Minds
Fact checked by Sean Blackburn
Couple checking their phones in bed
How Do Smartphones Affect the Brain?
Medically reviewed by Daniel B. Block, MD
Brain and Spinal Cord
The Central Nervous System in Your Body
Medically reviewed by Claudia Chaves, MD
Researchers examining brain scans
The Role of the Biological Perspective in Psychology
Medically reviewed by Steven Gans, MD
Acetylcholine molecule
Discovery and Functions of Acetylcholine
Medically reviewed by Claudia Chaves, MD
Pensive businessman with hand on chin
The Using Only 10 Percent of Your Brain Myth
Medically reviewed by Daniel B. Block, MD
A biopsychologist studying brain scans
Biopsychology (Brain and Behavior)
Fact checked by Andrea Rice
Electrodes and needles attached to brain
A Guide to the Anatomy of the Brain
Medically reviewed by Steven Gans, MD
Human nerve cells
Function of the Autonomic Nervous System
Medically reviewed by Claudia Chaves, MD
Brain and calculations (drawing)
Debunking 8 Popular Myths About the Brain
Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN
Nervous system
The Nervous and Endocrine Systems
Reviewed by Amy Morin, LCSW
Close up of a human eye
Reasons Why You May Have a Blind Spot in Your Eye
Reviewed by David Susman, PhD
woman looking at statue with brain
Just How Big Is the Human Brain in Size?
Medically reviewed by Steven Gans, MD
Central Organ of Human Nervous System Brain Anatomy
What Is the Cerebellum?
Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN
At doctors appointment physician shows to patient shape of kidney with focus on hand with organ. Scene explaining patient causes and localization of diseases of kidney, stones, adrenal, urinary system
What Are Adrenal Glands?
Medically reviewed by Steven Gans, MD
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What Is Biofeedback and How Does It Work?
Medically reviewed by Steven Gans, MD
woman and friends drinking beer
Does Drinking Alcohol Kill Brain Cells?
Medically reviewed by Steven Gans, MD
Nerve cell, artwork
An Action Potential and How Neurons Fire
Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN
g-neuron.jpg
Understanding Neurons' Role in the Nervous System
Fact checked by Sean Blackburn
Doctor and nurse examining CT scan digital tablet
The Psychology of the Brain and Behavior
Medically reviewed by Huma Sheikh, MD