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15.6 Posttraumatic Stress Disorder — From Shell Shock to Science | Psychology 2e | Neil Chong-Kit

Course Contents

1.1 What Is Psychology — Why Measuring the Mind Is So Hard | Psychology 2e
1.2 History of Psychology — From Wundt to WEIRD — Psychology's Wild Reinventions | Psychology 2e
1.3 Contemporary Psychology — Psychology Is Way Bigger Than a Couch | Psychology 2e
1.4 Careers in Psychology — Your Degree Works Beyond the Therapy Office | Psychology 2e

2.1 Why Is Research Important — Why Your Gut Feeling Is Lying to You
2.2 Approaches to Research — Every Method Has a Fatal Flaw | Psychology 2e
2.3 Analyzing Findings — Why Ice Cream Does Not Cause Crime | Psychology 2e
2.4 Ethics — When Science Lost Its Conscience | Psychology 2e

3.1 Human Genetics — Your Genes Are Not Your Destiny | Psychology 2e
3.2 Cells of the Nervous System — How Your Brain Actually Fires a Signal | Psychology 2e
3.3 Parts of the Nervous System — Your Brain's Ancient Survival Software Explained | Psychology 2e
3.4 The Brain and Spinal Cord — Your Brain Is Rewriting Itself Right Now | Psychology 2e

4.1 What Is Consciousness — Your Brain's Hidden Clock Explained | Psychology 2e
4.2 Sleep and Why We Sleep — Your Brain Never Actually Turns Off | Psychology 2e
4.3 Stages of Sleep — Your Brain Never Actually Turns Off | Psychology 2e
4.4 Sleep Problems and Disorders — When Your Brain Betrays You at Night | Psychology 2e

5.1 Sensation versus Perception — Your Brain Is Editing Reality Right Now | Psychology 2e
5.2 Waves and Wavelengths — How Your Brain Decodes Light and Sound Waves | Psychology 2e
5.3 Vision — Your Brain Is Editing What You See | Psychology 2e
5.4 Hearing — How Your Brain Turns Pressure Waves Into Sound | Psychology 2e

6.1 What Is Learning — Where Biology Ends and Learning Begins | Psychology 2e
6.2 Classical Conditioning — How Your Brain Gets Secretly Programmed | Psychology 2e
6.3 Operant Conditioning — Why Your Brain Can't Stop Pulling the Lever | Psychology 2e
6.4 Observational Learning (Modeling) — Your Brain Is Always Watching and Learning | Psychology 2e

7.1 What Is Cognition — Your Brain Runs on Autopilot — Here's How | Psychology 2e
7.2 Language — Does Your Language Shape Your Reality | Psychology 2e
7.3 Problem Solving — Why Your Brain Gets Stuck and How to Break Free | Psychology 2e
7.4 What Are Intelligence and Creativity — How Many Kinds of Smart Are There | Psychology 2e

8.1 How Memory Functions — Upgrade Your Brain's Operating System | Psychology 2e
8.2 Parts of the Brain Involved with Memory — Brain's Memory Departments Explained | Psychology 2e
8.3 Problems with Memory — Your Memory Is Not a Video Camera | Psychology 2e
8.4 Ways to Enhance Memory — Stop Highlighting — Build a Memory Web Instead | Psychology 2e

9.1 What Is Lifespan Development — The Hidden Forces That Build Who You Are | Psychology 2e
9.2 Lifespan Theories — From Helpless Infant to Moral Adult | Psychology 2e
9.3 Stages of Development — The Ship Always Being Built | Psychology 2e
9.4 Death and Dying — How We Face the End of Life | Psychology 2e

10.1 Motivation — Why Getting Paid Kills Your Passion | Psychology 2e
10.2 Hunger and Eating — Why Your Brain Controls What You Eat | Psychology 2e
10.3 Sexual Behavior, Sexuality, and Gender Identity | Psychology 2e
10.4 Emotion — Your Brain Constructs Every Emotion You Feel | Psychology 2e

11.1 What Is Personality — From Skull Bumps to the Unconscious Mind | Psychology 2e
11.2 Freud and the Psychodynamic Perspective — The Hidden Operating System | Psychology 2e
11.4 Learning Approaches — Why Your Personality Isn't Fixed | Psychology 2e
11.5 Humanistic Approaches — Why Healthy Minds Matter More Than Broken Ones | Psychology 2e

12.1 What Is Social Psychology — Why Your Brain Blames People Not Situations | Psychology 2e
12.2 Self-presentation — Why You're a Different Person in Every Room | Psychology 2e
12.3 Attitudes and Persuasion — Why Your Brain Lies to Protect Your Ego | Psychology 2e
12.4 Conformity, Compliance, and Obedience — Why 65% Follow Dangerous Orders | Psychology 2e

13.1 What Is Industrial and Organizational Psychology — Workday As Architecture | Psychology 2e
13.2 Industrial Psychology Selecting and Evaluating Employees — Too Smart Rejected | Psychology 2e
13.3 Organizational Psychology The Social Dimension of Work — What Money Can't Buy | Psychology 2e
13.4 Human Factors Psychology and Workplace Design — Why You Fight Your Technology | Psychology 2e

14.1 What Is Stress — Ancient Hardware, Modern Threats | Psychology 2e
14.2 Stressors — Your Daily Hassles Are Hurting You More Than Trauma | Psychology 2e
14.3 Stress and Illness — How Chronic Stress Physically Breaks Your Body | Psychology 2e
14.4 Regulation of Stress — Why Perceived Control Is the Master Variable of Stress | Psychology 2e

14.5 The Pursuit of Happiness — What Science Says Will Actually Make You Happy | Psychology 2e
15.1 What Are Psychological Disorders — Where Normal Ends and Disorder Begins | Psychology 2e
15.2 Diagnosing and Classifying Psychological Disorders — Normal To Disorder | Psychology 2e
15.4 Anxiety Disorders — When Your Brain's Alarm System Goes Wrong | Psychology 2e

16.1 Mental Health Treatment Past and Present — From Asylums to Prison Cells | Psychology 2e
16.2 Types of Treatment — How Therapy Actually Rewires Your Brain | Psychology 2e
16.3 Treatment Modalities — One Size Does Not Fit All | Psychology 2e
16.4 Substance-Related and Addictive Disorders A Special Case | Psychology 2e

Psychology 2e — Full Course (OpenStax) | Intro Psychology Lectures

1.1 What Is Psychology — Why Measuring the Mind Is So Hard | Psychology 2e
1.2 History of Psychology — From Wundt to WEIRD — Psychology's Wild Reinventions | Psychology 2e

3.5 The Endocrine System — Where Do Hormones End and Neurons Begin | Psychology 2e

4.5 Substance Use and Abuse — How Drugs Hijack Your Brain's Own Chemistry | Psychology 2e

4.6 Other States of Consciousness — Can Your Mind Block Out Pain | Psychology 2e

5.5 The Other Senses — Your Hidden Senses Are Building Your Reality | Psychology 2e

5.6 Gestalt Principles of Perception — Your Brain Is Making It All Up | Psychology 2e

7.5 Measures of Intelligence — When a Test Score Decides Life or Death | Psychology 2e

7.6 The Source of Intelligence — Nature, Nurture, and the Limits of IQ | Psychology 2e

11.6 Biological Approaches — Was Your Personality Decided Before Birth | Psychology 2e

11.7 Trait Theorists — From 4,500 Words to the OCEAN Model | Psychology 2e

11.8 Cultural Understandings of Personality — Does Location Shape Your Personality | Psychology 2e

11.9 Personality Assessment — Can a Test Expose What You're Hiding | Psychology 2e

12.5 Prejudice and Discrimination — How Your Brain Engineers Bias | Psychology 2e

12.6 Aggression — Why We Hurt Each Other and Watch | Psychology 2e

12.7 Prosocial Behavior — Your Brain's Hidden Social Ledger Explained | Psychology 2e

15.5 Obsessive-Compulsive and Related Disorders — When Brain's Alarm Won't Turn Off | Psychology 2e

15.6 Posttraumatic Stress Disorder — From Shell Shock to Science | Psychology 2e

15.7 Mood and Related Disorders — When Biology and Life Events Collide | Psychology 2e

15.8 Schizophrenia — Genetics, Brain Chemistry, and the Reality Break | Psychology 2e

15.9 Dissociative Disorders — When the Mind Builds Its Own Firewalls | Psychology 2e

15.10 Disorders in Childhood — The Brain Science Behind ADHD and Autism | Psychology 2e

16.5 The Sociocultural Model and Therapy Utilization — Culture Is the Missing Piece | Psychology 2e

1.3 Contemporary Psychology — Psychology Is Way Bigger Than a Couch | Psychology 2e

1.4 Careers in Psychology — Your Degree Works Beyond the Therapy Office | Psychology 2e

2.1 Why Is Research Important — Why Your Gut Feeling Is Lying to You
2.2 Approaches to Research — Every Method Has a Fatal Flaw | Psychology 2e
2.3 Analyzing Findings — Why Ice Cream Does Not Cause Crime | Psychology 2e
2.4 Ethics — When Science Lost Its Conscience | Psychology 2e

3.1 Human Genetics — Your Genes Are Not Your Destiny | Psychology 2e
3.2 Cells of the Nervous System — How Your Brain Actually Fires a Signal | Psychology 2e
3.3 Parts of the Nervous System — Your Brain's Ancient Survival Software Explained | Psychology 2e
3.4 The Brain and Spinal Cord — Your Brain Is Rewriting Itself Right Now | Psychology 2e
3.5 The Endocrine System — Where Do Hormones End and Neurons Begin | Psychology 2e

4.1 What Is Consciousness — Your Brain's Hidden Clock Explained | Psychology 2e
4.2 Sleep and Why We Sleep — Your Brain Never Actually Turns Off | Psychology 2e
4.3 Stages of Sleep — Your Brain Never Actually Turns Off | Psychology 2e
4.4 Sleep Problems and Disorders — When Your Brain Betrays You at Night | Psychology 2e
4.5 Substance Use and Abuse — How Drugs Hijack Your Brain's Own Chemistry | Psychology 2e
4.6 Other States of Consciousness — Can Your Mind Block Out Pain | Psychology 2e

5.1 Sensation versus Perception — Your Brain Is Editing Reality Right Now | Psychology 2e
5.2 Waves and Wavelengths — How Your Brain Decodes Light and Sound Waves | Psychology 2e
5.3 Vision — Your Brain Is Editing What You See | Psychology 2e
5.4 Hearing — How Your Brain Turns Pressure Waves Into Sound | Psychology 2e
5.5 The Other Senses — Your Hidden Senses Are Building Your Reality | Psychology 2e
5.6 Gestalt Principles of Perception — Your Brain Is Making It All Up | Psychology 2e

6.1 What Is Learning — Where Biology Ends and Learning Begins | Psychology 2e
6.2 Classical Conditioning — How Your Brain Gets Secretly Programmed | Psychology 2e
6.3 Operant Conditioning — Why Your Brain Can't Stop Pulling the Lever | Psychology 2e
6.4 Observational Learning (Modeling) — Your Brain Is Always Watching and Learning | Psychology 2e

7.1 What Is Cognition — Your Brain Runs on Autopilot — Here's How | Psychology 2e
7.2 Language — Does Your Language Shape Your Reality | Psychology 2e
7.3 Problem Solving — Why Your Brain Gets Stuck and How to Break Free | Psychology 2e
7.4 What Are Intelligence and Creativity — How Many Kinds of Smart Are There | Psychology 2e
7.5 Measures of Intelligence — When a Test Score Decides Life or Death | Psychology 2e
7.6 The Source of Intelligence — Nature, Nurture, and the Limits of IQ | Psychology 2e

8.1 How Memory Functions — Upgrade Your Brain's Operating System | Psychology 2e
8.2 Parts of the Brain Involved with Memory — Brain's Memory Departments Explained | Psychology 2e
8.3 Problems with Memory — Your Memory Is Not a Video Camera | Psychology 2e
8.4 Ways to Enhance Memory — Stop Highlighting — Build a Memory Web Instead | Psychology 2e

9.1 What Is Lifespan Development — The Hidden Forces That Build Who You Are | Psychology 2e
9.2 Lifespan Theories — From Helpless Infant to Moral Adult | Psychology 2e
9.3 Stages of Development — The Ship Always Being Built | Psychology 2e
9.4 Death and Dying — How We Face the End of Life | Psychology 2e

10.1 Motivation — Why Getting Paid Kills Your Passion | Psychology 2e
10.2 Hunger and Eating — Why Your Brain Controls What You Eat | Psychology 2e
10.3 Sexual Behavior, Sexuality, and Gender Identity | Psychology 2e
10.4 Emotion — Your Brain Constructs Every Emotion You Feel | Psychology 2e

11.1 What Is Personality — From Skull Bumps to the Unconscious Mind | Psychology 2e
11.2 Freud and the Psychodynamic Perspective — The Hidden Operating System | Psychology 2e
11.4 Learning Approaches — Why Your Personality Isn't Fixed | Psychology 2e
11.5 Humanistic Approaches — Why Healthy Minds Matter More Than Broken Ones | Psychology 2e
11.6 Biological Approaches — Was Your Personality Decided Before Birth | Psychology 2e
11.7 Trait Theorists — From 4,500 Words to the OCEAN Model | Psychology 2e
11.8 Cultural Understandings of Personality — Does Location Shape Your Personality | Psychology 2e
11.9 Personality Assessment — Can a Test Expose What You're Hiding | Psychology 2e

12.1 What Is Social Psychology — Why Your Brain Blames People Not Situations | Psychology 2e
12.2 Self-presentation — Why You're a Different Person in Every Room | Psychology 2e
12.3 Attitudes and Persuasion — Why Your Brain Lies to Protect Your Ego | Psychology 2e
12.4 Conformity, Compliance, and Obedience — Why 65% Follow Dangerous Orders | Psychology 2e
12.5 Prejudice and Discrimination — How Your Brain Engineers Bias | Psychology 2e
12.6 Aggression — Why We Hurt Each Other and Watch | Psychology 2e
12.7 Prosocial Behavior — Your Brain's Hidden Social Ledger Explained | Psychology 2e

13.1 What Is Industrial and Organizational Psychology — Workday As Architecture | Psychology 2e
13.2 Industrial Psychology Selecting and Evaluating Employees — Too Smart Rejected | Psychology 2e
13.3 Organizational Psychology The Social Dimension of Work — What Money Can't Buy | Psychology 2e
13.4 Human Factors Psychology and Workplace Design — Why You Fight Your Technology | Psychology 2e

14.1 What Is Stress — Ancient Hardware, Modern Threats | Psychology 2e
14.2 Stressors — Your Daily Hassles Are Hurting You More Than Trauma | Psychology 2e
14.3 Stress and Illness — How Chronic Stress Physically Breaks Your Body | Psychology 2e
14.4 Regulation of Stress — Why Perceived Control Is the Master Variable of Stress | Psychology 2e

14.5 The Pursuit of Happiness — What Science Says Will Actually Make You Happy | Psychology 2e
15.1 What Are Psychological Disorders — Where Normal Ends and Disorder Begins | Psychology 2e
15.2 Diagnosing and Classifying Psychological Disorders — Normal To Disorder | Psychology 2e
15.4 Anxiety Disorders — When Your Brain's Alarm System Goes Wrong | Psychology 2e
15.5 Obsessive-Compulsive and Related Disorders — When Brain's Alarm Won't Turn Off | Psychology 2e
15.6 Posttraumatic Stress Disorder — From Shell Shock to Science | Psychology 2e
15.7 Mood and Related Disorders — When Biology and Life Events Collide | Psychology 2e
15.8 Schizophrenia — Genetics, Brain Chemistry, and the Reality Break | Psychology 2e
15.9 Dissociative Disorders — When the Mind Builds Its Own Firewalls | Psychology 2e
15.10 Disorders in Childhood — The Brain Science Behind ADHD and Autism | Psychology 2e

16.1 Mental Health Treatment Past and Present — From Asylums to Prison Cells | Psychology 2e
16.2 Types of Treatment — How Therapy Actually Rewires Your Brain | Psychology 2e
16.3 Treatment Modalities — One Size Does Not Fit All | Psychology 2e
16.4 Substance-Related and Addictive Disorders A Special Case | Psychology 2e
16.5 The Sociocultural Model and Therapy Utilization — Culture Is the Missing Piece | Psychology 2e

Psychology 2e — Full Course (OpenStax) | Intro Psychology Lectures/Chapter 15 - Psychological Disorders/15.6 Posttraumatic Stress Disorder — From Shell Shock to Science | Psychology 2e

15.6 Posttraumatic Stress Disorder — From Shell Shock to Science | Psychology 2e

After this lesson you will be able to…

Understand how PTSD evolved as a diagnosis and its unique DSM5 criteria.
Learn about the prevalence of PTSD and factors that increase risk.
Explore the biological factors, like genetics, that contribute to PTSD vulnerability.
Understand how classical conditioning and fragmented memory sustain PTSD.
Recognize the powerful role of social support in healing from PTSD.
Summarize PTSD's nature and reflect on modern society's impact on defenses.

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This lesson explores the biology, psychology, and social dimensions of Posttraumatic Stress Disorder (PTSD), drawing from Section 15.6 of OpenStax Psy...

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Quiz: Understanding PTSD — Diagnosis, Biology, and Healing

Fundamentals

Answer the following questions based on the video lesson about PTSD. All answers can be found in the video — no outside knowledge is needed.

Practice: Understanding PTSD — Diagnosis, Biology, and Healing

Practice

Answer each question using what you learned in the video lesson. Questions progress from recall to deeper application — take your time and think through each one carefully.

15.5 Obsessive-Compulsive and Related Disorders — When Brain's Alarm Won't Turn Off | Psychology 2e

15.7 Mood and Related Disorders — When Biology and Life Events Collide | Psychology 2e