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MCAT Available Fall 2026

MCAT^® Psychological Social Biological Foundations

Students explore how sensation, perception, learning, memory, cognition, consciousness, language, motivation, emotion, stress, coping, and health interact, integrating psychological, social, and biological perspectives. The course equips learners with the conceptual framework needed for MCAT Section 3 and related health‑science fields.

Who Should Take This

Undergraduate students majoring in pre‑medical, psychology, sociology, or neuroscience, as well as health‑science professionals seeking a solid foundation in behavior science, benefit from this integrated overview. They aim to master core concepts, improve interdisciplinary reasoning, and excel on the MCAT and related examinations.

What's Included in AccelaStudy® AI

Adaptive Knowledge Graph

Practice Questions

Lesson Modules

Console Simulator Labs

Exam Tips & Strategy

20 Activity Formats

Course Outline

65 learning goals

1 Sensation and Perception

2 topics

Sensory Processing and Transduction

Identify the major sensory receptor types including photoreceptors, mechanoreceptors, chemoreceptors, thermoreceptors, and nociceptors, and describe the process of sensory transduction for each modality.
Explain how signal detection theory accounts for the influence of response bias and sensitivity on an individual's ability to detect weak sensory stimuli under varying conditions.
Apply Weber's law to predict the just noticeable difference for stimuli of different magnitudes and explain how sensory adaptation modifies receptor responsiveness over time.

Visual and Auditory Processing

Describe the anatomy of the visual system including the retina, optic nerve, lateral geniculate nucleus, and visual cortex, and compare the trichromatic and opponent-process theories of color vision.
Explain how monocular and binocular depth cues, Gestalt principles of perceptual organization, and top-down versus bottom-up processing contribute to the construction of visual perception.
Analyze how perceptual constancies for size, shape, and color enable stable perception despite changes in retinal image, and evaluate the role of context and expectation in perceptual illusions.

2 Learning and Memory

2 topics

Classical and Operant Conditioning

Define the components of classical conditioning including unconditioned stimulus, conditioned stimulus, unconditioned response, conditioned response, acquisition, extinction, and spontaneous recovery.
Apply principles of operant conditioning to predict behavior changes resulting from positive reinforcement, negative reinforcement, positive punishment, negative punishment, and different reinforcement schedules.
Compare classical and operant conditioning mechanisms and analyze how observational learning, latent learning, and insight learning extend beyond simple stimulus-response associations.

Memory Encoding, Storage, and Retrieval

Describe the multi-store model of memory including sensory memory, short-term and working memory, and long-term memory subtypes (explicit: episodic and semantic; implicit: procedural and priming).
Explain how encoding strategies including levels of processing, elaborative rehearsal, chunking, and mnemonic devices enhance the transfer of information from working memory to long-term memory.
Analyze how forgetting occurs through decay, proactive and retroactive interference, retrieval failure, and motivated forgetting, and evaluate the reliability of recovered and false memories.
Identify the neural structures involved in memory formation and consolidation including the hippocampus, amygdala, cerebellum, and prefrontal cortex, and their roles in different memory systems.

3 Cognition, Consciousness, and Language

3 topics

Problem-Solving and Decision-Making

Define algorithms and heuristics as problem-solving strategies and describe common heuristics including availability, representativeness, and anchoring and adjustment.
Apply knowledge of cognitive biases including confirmation bias, framing effects, sunk cost fallacy, and overconfidence to predict errors in judgment and decision-making scenarios.
Evaluate how functional fixedness, mental set, and the Dunning-Kruger effect impair problem-solving performance and analyze strategies that overcome these cognitive limitations.

Intelligence and Language

Describe theories of intelligence including Spearman's general intelligence, Gardner's multiple intelligences, and Sternberg's triarchic theory, and define the psychometric properties of IQ tests.
Explain the stages of language development and how Broca's area and Wernicke's area contribute to language production and comprehension, predicting deficits from focal brain lesions.
Analyze the interaction between heredity and environment in determining intelligence as illustrated by twin studies, adoption studies, and the Flynn effect across populations.

Consciousness and Altered States

Describe the stages of sleep including NREM stages 1 through 3 and REM sleep, their characteristic EEG patterns, and the functions of sleep for memory consolidation and physical restoration.
Classify psychoactive drugs as depressants, stimulants, hallucinogens, or opioids, and explain their mechanisms of action on neurotransmitter systems and their potential for tolerance and dependence.

4 Motivation and Emotion

2 topics

Theories of Motivation

Describe major motivation theories including drive reduction theory, arousal theory, incentive theory, Maslow's hierarchy of needs, and self-determination theory of intrinsic and extrinsic motivation.
Apply motivational theories to predict behavior in scenarios involving hunger regulation, achievement motivation, sexual motivation, and substance use by identifying which drives and incentives are operative.
Evaluate the strengths and limitations of competing motivation theories by analyzing how well each accounts for complex human behaviors such as altruism, risk-taking, and delayed gratification.

Theories of Emotion

Define the James-Lange, Cannon-Bard, and Schachter-Singer two-factor theories of emotion and state how each describes the relationship between physiological arousal and subjective emotional experience.
Apply emotion theories to predict emotional responses in experimental scenarios such as the misattribution of arousal, facial feedback effects, and cognitively mediated emotional appraisal.
Compare the three major emotion theories by analyzing how each accounts for the universality of basic emotions, cultural variation in emotional expression, and the role of cognitive appraisal.

5 Stress, Coping, and Health

2 topics

Stress Response and Health Outcomes

Describe the physiological stress response including activation of the sympathetic nervous system and hypothalamic-pituitary-adrenal axis, and list the stages of Selye's general adaptation syndrome.
Explain how chronic stress contributes to disease processes including cardiovascular disease, immune suppression, and mental health disorders through sustained cortisol elevation and allostatic load.
Analyze how individual differences in personality traits, locus of control, self-efficacy, and social support moderate the relationship between stressor exposure and health outcomes.

Coping Strategies and Health Behavior

Classify coping strategies as problem-focused or emotion-focused and describe specific techniques including cognitive reappraisal, social support seeking, avoidance, and relaxation methods.
Evaluate how the health belief model, theory of planned behavior, and stages of change model predict health-related behaviors such as exercise, diet, substance use, and medical adherence.

6 Identity, Personality, and Development

3 topics

Self-Concept and Identity

Define self-concept, self-esteem, self-efficacy, and self-identity, and describe how these constructs develop through social interactions and cultural influences across the lifespan.
Apply Erikson's psychosocial stages to predict identity crises and developmental outcomes at different life stages from infancy through late adulthood.
Analyze how social identity theory, reference groups, and intersectionality shape an individual's sense of self across dimensions of race, gender, class, religion, and sexual orientation.

Personality Theories

Describe the major personality perspectives including psychodynamic (Freud's structural model and defense mechanisms), humanistic (Rogers, Maslow), trait (Big Five model), and social-cognitive (Bandura) theories.
Apply trait theory and the Big Five personality dimensions to predict individual differences in behavior, coping style, interpersonal relationships, and occupational preferences.
Evaluate the relative contributions of biological factors (genetics, temperament, neurotransmitters) and environmental factors (parenting, culture, socioeconomic status) to personality formation.

Developmental Psychology

Describe Piaget's stages of cognitive development including sensorimotor, preoperational, concrete operational, and formal operational periods, and their characteristic cognitive achievements and limitations.
Apply Kohlberg's stages of moral development to classify moral reasoning as preconventional, conventional, or postconventional based on the justifications given for ethical decisions.
Explain how Ainsworth's attachment styles of secure, anxious-ambivalent, avoidant, and disorganized attachment develop in infancy and predict relationship patterns in adulthood.
Analyze how nature-nurture interactions, critical and sensitive periods, and sociocultural context influence cognitive, social, and emotional development across the human lifespan.

7 Psychological Disorders and Treatment

2 topics

Classification and Types of Disorders

Identify the major categories of psychological disorders including anxiety disorders, depressive disorders, bipolar disorders, schizophrenia spectrum disorders, and personality disorders according to DSM classification criteria.
Explain the biological bases of schizophrenia including the dopamine hypothesis, glutamate hypothesis, structural brain abnormalities, and genetic risk factors contributing to the disorder.
Analyze how the biopsychosocial model integrates biological vulnerability, psychological factors, and social stressors to explain the onset and course of mood disorders and anxiety disorders.

Treatment Approaches

Describe the major psychotherapy approaches including cognitive-behavioral therapy, psychodynamic therapy, humanistic therapy, and biomedical treatments such as pharmacotherapy and electroconvulsive therapy.
Apply knowledge of neurotransmitter systems to explain how SSRIs, benzodiazepines, antipsychotics, and mood stabilizers produce their therapeutic effects and common side effects.
Evaluate the effectiveness of different treatment modalities for specific disorders by comparing evidence for pharmacological, psychotherapeutic, and combined approaches in clinical research.

8 Social Processes and Behavior

3 topics

Social Cognition and Attitudes

Define attribution theory and distinguish between internal and external attributions, and identify common attribution errors including the fundamental attribution error and self-serving bias.
Explain how cognitive dissonance theory predicts attitude change when behavior and beliefs are inconsistent, and apply the elaboration likelihood model to understand persuasion through central and peripheral routes.
Analyze how implicit attitudes, stereotypes, and schemas automatically influence social perception and interpersonal judgment, often without conscious awareness.

Conformity, Obedience, and Group Behavior

Describe the key findings and methodologies of Asch's conformity experiments and Milgram's obedience studies, and identify the situational factors that increase conformity and obedience to authority.
Apply concepts of groupthink, social facilitation, social loafing, deindividuation, and group polarization to predict how group dynamics alter individual decision-making and performance.
Evaluate how the bystander effect, diffusion of responsibility, and pluralistic ignorance explain failures of prosocial behavior in emergency situations with multiple witnesses.

Prejudice, Discrimination, and Aggression

Define stereotypes, prejudice, and discrimination, and describe how in-group and out-group categorization, social identity theory, and ethnocentrism contribute to intergroup conflict.
Explain how stereotype threat and self-fulfilling prophecy affect academic and professional performance among stigmatized groups, citing empirical evidence from social psychology research.
Analyze the biological, psychological, and social factors that contribute to aggression, differentiating between hostile and instrumental aggression and evaluating frustration-aggression and social learning theories.

9 Social Structures, Inequality, and Healthcare Disparities

3 topics

Socialization and Social Stratification

Identify the major agents of socialization including family, peers, education, media, and religion, and describe how each contributes to the transmission of cultural norms, values, and roles.
Explain social stratification systems including class, caste, and meritocratic models, and apply concepts of social mobility, social capital, and cultural capital to analyze inequality.
Analyze how intersecting dimensions of inequality including race, ethnicity, gender, socioeconomic status, and age create compounding disadvantages in access to education, employment, and political power.

Healthcare Disparities and Social Determinants of Health

List the major social determinants of health including socioeconomic status, education, neighborhood conditions, access to healthcare, food security, and environmental exposures.
Explain how racial and ethnic disparities in healthcare access, treatment quality, and health outcomes arise from institutional discrimination, implicit bias, and socioeconomic inequality.
Evaluate how poverty, lack of health insurance, cultural barriers, and geographic isolation contribute to differential morbidity and mortality rates across demographic populations in the United States.

Demographic Change and Globalization

Describe the demographic transition model including changes in birth rates, death rates, and population growth as societies industrialize and modernize over time.
Explain how urbanization, immigration, aging populations, and globalization reshape social structures, cultural practices, and healthcare delivery systems in diverse societies.

Scope

Included Topics

AAMC MCAT Section 3: Psychological, Social, and Biological Foundations of Behavior, covering introductory psychology, introductory sociology, and biological underpinnings of behavior.
Sensation and perception: sensory receptors and transduction, visual processing (rods, cones, color vision theories), auditory processing, somatosensation, taste, olfaction, proprioception, vestibular sense, signal detection theory, Weber's law, sensory adaptation, Gestalt principles, depth perception, perceptual constancies.
Learning and memory: classical conditioning (Pavlov, acquisition, extinction, spontaneous recovery, generalization, discrimination), operant conditioning (Skinner, reinforcement schedules, shaping, punishment), observational learning (Bandura), habituation and sensitization, encoding (levels of processing, elaborative rehearsal), storage (sensory, short-term/working, long-term memory systems), retrieval (recall, recognition, cues), forgetting (decay, interference, motivated forgetting), memory construction and false memories.
Cognition, consciousness, and language: attention, problem-solving strategies (algorithms, heuristics), decision-making biases (anchoring, framing, availability, representativeness), intelligence theories (Spearman, Gardner, Sternberg), language development (Chomsky, Broca's area, Wernicke's area), states of consciousness, sleep stages and disorders, psychoactive drug effects, hypnosis and meditation.
Motivation and emotion: drive reduction theory, arousal theory, Maslow's hierarchy of needs, incentive theory, self-determination theory, James-Lange theory, Cannon-Bard theory, Schachter-Singer two-factor theory, appraisal theories, basic emotions, facial feedback hypothesis, physiological markers of emotion.
Stress and coping: stressors (acute, chronic, daily hassles), physiological stress response (HPA axis, sympathetic activation), general adaptation syndrome (Selye), coping strategies (problem-focused, emotion-focused), social support, health behaviors, psychological factors affecting health outcomes.
Identity, personality, and development: self-concept, self-esteem, self-efficacy, identity formation (Erikson), social identity, psychodynamic theory (Freud), humanistic theory (Rogers, Maslow), trait theory (Big Five), social-cognitive theory (Bandura), biological bases of personality, Piaget's cognitive development, Kohlberg's moral development, attachment theory (Ainsworth), lifespan development.
Psychological disorders: biological, psychological, and sociocultural perspectives on disorders; anxiety disorders, mood disorders (depression, bipolar), schizophrenia, personality disorders, neurodevelopmental disorders, dissociative disorders; DSM classification; treatment approaches (psychotherapy types, pharmacotherapy).
Social processes and behavior: social cognition (attribution theory, fundamental attribution error, attitudes, cognitive dissonance), conformity (Asch), obedience (Milgram), group behavior (groupthink, social loafing, deindividuation, bystander effect), aggression, altruism and prosocial behavior, stereotypes, prejudice, discrimination.
Social structures and inequality: socialization agents (family, peers, media, education), social stratification (class, race, gender, age), healthcare disparities, social mobility, poverty and health, globalization effects, institutional discrimination, social constructionism, demographic shifts, cultural norms and values.

Not Covered

Advanced graduate-level psychology and sociology research methodology beyond introductory survey course depth.
Detailed neuroscience and neuroanatomy covered in Section 1 (Biological and Biochemical Foundations).
Clinical psychology practice, psychotherapy techniques in clinical training depth, and psychopharmacology dosing.
Chemistry, physics, and biochemistry content (covered in Sections 1 and 2).
CARS reading comprehension (covered in Section 4).
Political science, economics, and legal studies beyond their intersection with social inequality and health outcomes.