# Glossary of PTSD-Related Terms

Adjustment Disorder

Learn the definition of adjustment disorder and how it differs from other disorders that may occur following a traumatic or stressful event.

Acceptance and Commitment Therapy

Learn the definition of Acceptance and Commitment Therapy (or ACT).

Acupuncture

Learn the definition of acupuncture.

Acute Stress Disorder

Learn the definition of acute stress disorder.

Agoraphobia

Agoraphobia is a gripping condition -- one that affects those who suffer from it in major ways. Learn the full definition of agoraphobia.

Anorexia Nervosa

Learn the definition of anorexia nervosa.

Anxiety Disorder

Learn the definition of anxiety disorder.

Anxiolytics

Learn about anxiolytic drugs

Anxiety Sensitivity

Learn the definition of anxiety sensitivity, a risk factor for PTSD.

Avoidance Symptoms

Learn about the avoidance symptoms of PTSD.

Axis I Disorders

Learn the definition of Axis I disorders.

Beginner's Mind

Learn the definition of beginner's mind, an aspect of mindfulness.

Behavioral Activation

Learn the definition of behavioral activation

Behavioral Experiment

Learn what a "behavioral experiment" is.

Benzodiazepine

Learn the definition of benzodiazepine.

Binge

Learn what is meant by the term "binge."

Bipolar Disorder

Learn the difference between Bipolar I and Bipolar II disorders.

Borderline Personality Disorder

Learn the definition of Borderline Personality Disorder

Bulimia Nervosa

Learn the definition of bulimia nervosa.

Bullying

Learn the definition of bullying.

Caregiver Burden

Learn what caregiver burden is.

Chain Analysis

Learn the definition of chain analysis.

Cognitive-Behavioral Therapy

Learn the definition of cognitive-behavioral therapy.

Cognitive Restructuring

Learn the definition of cognitive restructuring.

Comorbidity

Learn the definition of comorbidity.

Complex PTSD

Learn the definition of Complex PTSD.

Complicated Grief

Learn the definition of complicated grief.

Compulsions

A compulsion is a type of behavior. Learn the definition of compulsion.

Consequence Modification

Learn what consequence modification is.

Constructive Anger

Learn the definition of constructive anger.

Defense Mechanism

Learn the definition of defense mechanism.

Deliberate Self-Harm

Learn the definition of deliberate self-harm or self-injury.

Depression

Learn the definition of depression.

Destructive anger

Learn the definition of destructive anger.

Dialectical Behavior Therapy

Learn the definition of dialectical behavior therapy or DBT.

Dissociation

Learn the definition of dissociation.

Dissociative Identity Disorder (DID)

Dissociative identity disorder used to be known as multiple personality disorder. What exactly is dissociative identity disorder? Find out here.

DSM-IV

Learn the definition for the term DSM-IV.

Eating Disorders

Learn what disorders are considered eating disorders.

EMDR

Learn the definition of EMDR.

Emotional Avoidance

Find out the definition of emotion avoidance here.

Emotional Numbing Symptoms

Learn more about the emotional numbing symptoms of PTSD.

Emotional Validation

Learn the definition of emotional validation.

Emotion Regulation

Learn the definition of emotion regulation.

Experiential Avoidance

Learn the definition of experiential avoidance.

Exposure Therapy

Learn the definition of exposure therapy

Expressive Writing

Learn the definition of expressive writing.

Fear Hierarchy

Learn the definition of fear hierarchy.

Fight or Flight Response

Learn the definition of the fight or flight response.

Flashback

Learn the definition of a flashback.

Generalized Anxiety Disorder

Learn the definition of generalized anxiety disorder (or GAD).

Grounding

Learn the definition of grounding.

Habituation

Learn the definition of habituation.

Hippocampus

Learn what function the hippocampus serves in the brain.

Hyperarousal

Learn the definition of hyperarousal as it relates to PTSD.

Hypersomnia

Learn the definition of hypersomnia.

Hypervigilance

Learn the definition of hypervigilance.

Hypnotherapy

Learn the definition of hypnotherapy.

Hypomania

Learn the definition of hypomania.

Imagery Rehearsal Therapy

Learn more about Imagery Rehearsal Therapy, an effective treatment for nightmares.

Imaginal Exposure

Learn the definition of imaginal exposure.

Impulsive Behavior

Learn what an impulsive behavior is.

In Vivo Exposure

Learn the definition of in vivo exposure.

Incest

Learn the definition of incest.

Insomnia

Learn the definition of insomnia.

Interoceptive Exposure

Learn the definition of interoceptive exposure.

Mania

Learn the definition of mania.

Mindfulness

Learn the definition of mindfulness.

Military Sexual Trauma

Learn the definition of military sexual trauma (MST).

Negative Reinforcement

Learn the definition of negative reinforcement.

Negative Psychotic Symptoms

Learn about the different negative symptoms of psychosis.

Obesity

Learn the definition of obesity.

Obsessions

Learn the definition of obsessions.

Obsessive-Compulsive Disorder

Learn the definition of obsessive-compulsive disorder.

OEF/OIF

Learn what the term "OEF/OIF" stands for.

Panic Attacks

Learn the definition of a panic attack.

Panic Disorder

Learn the definition of panic disorder.

Personality Disorders

Learn the definition of personality disorders.

Positive Psychotic Symptoms

Learn about the different positive symptoms of psychosis.

Positive Reinforcement

Learn the definition of positive reinforcement.

Posttraumatic Growth

Learn the definition of posttraumatic growth.

Prevalence

Learn the definition of the term prevalence as it relates to PTSD.

Primary Emotions

Learn the definition of primary emotions.

Progressive Muscle Relaxation

Learn the definition of progressive muscle relaxation, a particular type of relaxation exercise.

Protective Factor

Learn what a protective factor is.

Psychiatrist

Learn what a psychiatrist is.

Psychologist

Learn what a psychologist is.

Re-experiencing

Learn the definition of re-experiencing as it relates to PTSD.

Relapse

Learn the definition for relapse.

Relapse Prevention

Learn the definition for relapse prevention.

Repression

Learn the definition of repression.

Resiliency

Learn the definition of resiliency.

Response Prevention

Learn the definition of response prevention.

Risk Factor

Learn the definition of risk factor.

Risk-Taking

Learn the definition of risk-taking.

Rumination

Learn the definition of rumination.

Schizophrenia

Learn the definition of schizophrenia.

Secondary Emotions

Learn the definition of secondary emotions.

Seeking Safety

Learn what Seeking Safety is.

Self-efficacy

Learn the definition of self-efficacy.

Seemingly Irrelevant Decision

Learn more about seemingly irrelevant decisions.

Selective Serotonin Reuptake Inhibitors

Learn the definition of the term selective serotonin reuptake inhibitors.

Self-Medication

Learn the definition of self-medication.

Sexual Assault

Learn the definition of sexual assault.

Sleep Apnea

Learn the definition of sleep apnea.

Social Anxiety Disorder (SAD)

Learn more about social anxiety disorder.

Specific Phobia

Learn what a specific phobia is.

Stigma

Learn the definition of stigma.

Stress

Learn the definition of stress.

Stress Inoculation Training

Learn what stress inoculation training refers to.

Substance Abuse

Learn the definition of substance abuse.

Substance Dependence

Learn the definition of substance dependence.

Subthreshold PTSD

Learn the definition of subthreshold PTSD.

Survivor Guilt

Learn the definition of survivor guilt.

TBI

Learn what is meant by the term TBI.

Telehealth

Learn the definition of telehealth.

Trigger

Learn the definition of the term trigger as it relates to PTSD.

Traumatic Event

Learn the definition of a traumatic event.

Virtual Reality Exposure Therapy (VRET)

Learn the definition of virtual reality exposure therapy or VRET.

Pathological Gambling

Learn the definition of pathological gambling.

Worry

Learn the definition of worry.

Non-Suicidal Self-Injury Disorder

Learn more about non-suicidal self-injury (NSSI) disorder.

PTSD in the DSM-5

Learn the proposed definition of PTSD in the DSM-5.

Dissociative Disorders

Learn more about dissociative disorders.

Cognitive Distortion

Learn the definition of cognitive distortion.

Antisocial Personality Disorder

Learn the definition of antisocial personality disorder.

Impulse Control Disorder

Learn the definition of impulse control disorder.

Avoidant Personality Disorder

Learn more about the symptoms of avoidant personality disorder.

Intermittent Explosive Disorder

Learn the definition of intermittent explosive disorder.

Trauma-Focused Cognitive Behavioral Therapy

Learn what is involved in trauma-focused cognitive behavioral therapy, a treatment for children who have been exposed to traumatic events.

Cognitive Processing Therapy

Learn more about cognitive processing therapy for PTSD in this article.

Trichotillomania

Learn what is meant by the term trichotillomania.

STAIR: A Treament for PTSD from Childhood Abuse

Learn more about a treatment for PTSD stemming from childhood abuse, Skills Training in Affect and Interpersonal Regulation or STAIR.

Cognitive Distortion

Learn the definition of a cognitive distortion.

Intolerance of Uncertainty

Learn what intolerance of uncertainty is and how it relates to PTSD.

Distress Tolerance

Learn the definition of distress tolerance

DSM-5 PTSD Criteria for Children

Learn about the criteria for a PTSD diagnosis for children.