Progress AP Psychology Complete & Continue Next Lesson Learn More Unit 1: Biological Bases of Behavior 7 Lessons 1.1 Interaction of Heredity and Environment 1.2 Overview of the Nervous System 1.3 The Neuron and Neural Firing 1.4 The Brain 1.5 Sleep 1.6 Sensation Unit 1 Vocabulary Unit 2: Cognition 9 Lessons 2.1 Perception 2.2 Thinking, Problem Solving, Judgements, and Decision-Making 2.3 Introduction to Memory 2.4 Encoding Memories 2.5 Storing Memories 2.6 Retreiving Memories 2.7 Forgetting and Other Memory Challenges 2.8 Intelligence and Achievement Unit 2 Vocabulary Unit 3: Development and Learning 10 Lessons 3.1 Themes and Methods in Developmental Psychology 3.2 Physical Development Across the Lifespan 3.3 Gender and Sexual Orientation 3.4 Cognitive Development Across the Lifespan 3.5 Communication and Language Development 3.6 Social-Emotional Development Across the Lifespan 3.7 Classical Conditioning 3.8 Operant Conditioning 3.9 Social, Cognitive, and Neurological Factors in Learning Unit 3 Vocabulary Unit 4: Social Psychology and Personality 8 Lessons 4.1 Attribution Theory and Person Perception 4.2 Attitude Formation and Attitude Change 4.3 Psychology of Social Situations 4.4 Psychodynamic and Humanistic Theories of Personality 4.5 Social-Cognitive and Trait Theories of Personality 4.6 Motivation 4.7 Emotion Unit 4 Vocabulary Unit 5: Mental and Physical Health 6 Lessons 5.1 Introduction to Health Psychology 5.2 Positive Psychology 5.3 Explaining and Classifying Psychological Disorders 5.4 Selection of Categories of Psychological Disorders 5.5 Treatment of Psychological Disorders Unit 5 Vocabulary AP Psychology Complete & Continue Next Lesson Learn More Add a video Unit 1: Biological Bases of Behavior 1.6 Sensation