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Glossary of PTSD-Related Terms

Become familiar with all the PTSD-related terms that are important to know.

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.

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