Magnetic Resonance Imaging (MRI)

Maintenance Rehearsal

Major Depression

Major Depressive Disorder

Mania

Manifest Content

Mary Ainsworth

Masochism

Maturation

Maturity

Mean

Median

Medulla

Meme

Memory

Menarche

Menopause

Mental Acuity

Mental Age

Mental Illness

Mental Retardation

Mental Set

Mere Exposure Effect

Meta Analysis (Meta-Analysis)

Metabolic Rate

Metacognition

Method of Loci

Microexpressions

Midbrain

Middle Ear

Minnesota Multiphasic Personality Inventory (MMPI)

Misattribution

Misattribution Of Memory

Misinformation Effect (false memory)

Mitosis

Mnemonics

Mode

Modeling

Modeling Therapy

Modularity

Monism

Monocular Clues

Mood

Mood Disorders

Mood-Congruent Behavior

Moral Development

Moral Reasoning

Morphemes

motion aftereffect

Motion Parallax

Motivated Forgetting

Motivation

Motor Cortex

Motor Neurons

Mueller-Lyer Illusion

Multiple Personality Disorder

Multistage Sampling

Myelin