Psychological Disorders  Psychological Disorder  a “harmful dysfunction” in which behavior is judged to be:  atypical--not enough in itself  disturbing--varies with time and culture  maladaptive--harmful  unjustifiable--sometimes there’s a good reason

Historical Perspective  Perceived Causes  movements of sun or moon  lunacy--full moon  evil spirits  Ancient Treatments  exorcism, caged like animals, beaten, burned, castrated, mutilated, blood replaced with animal’s blood

Historical Perspective  Trephination

Psychological Disorders  Medical Model  concept that diseases have physical causes  can be diagnosed, treated, and in most cases, cured  assumes that these “mental” illnesses can be diagnosed on the basis of their symptoms and cured through therapy, which may include treatment in a psychiatric hospital

Psychological Disorders  Bio-Psycho-Social Perspective  assumes that biological, sociocultural, and psychological factors combine and interact to produce psychological disorders

Psychological Disorders

Psychological Disorders--Etiology  DSM-V  American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition)  a widely used system for classifying psychological disorders

5 Levels of the DSM-V: “Axes”  DSM-V  American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition)  a widely used system for classifying psychological disorders

5 Levels of the DSM-V: “Axes”  DSM-V  American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition)  a w

Anxiety Disorders  Anxiety Disorders (5 Types)  distressing, persistent anxiety or maladaptive behaviors that reduce anxiety  1. Generalized Anxiety Disorder  person is tense, apprehensive, and in a state of autonomic nervous system arousal

Anxiety Disorders  2. Panic Disorder  marked by a minutes-long episode of intense dread in which a person experiences terror and accompanying chest pain, choking, or other frightening sensation

Anxiety Disorders  3. Phobia  persistent, irrational fear of a specific object or situation

Anxiety Disorders  Common and uncommon fears

Anxiety Disorders  4. Obsessive-Compulsive Disorder  unwanted repetitive thoughts (obsessions) and/or actions (compulsions)

Anxiety Disorders

 5. Post-Traumatic Stress Disorder  Haunting memories, nightmares, social withdrawal, jumpy anxiety, and/or insomnia that linger for 4 weeks or more after a traumatic experience  Combat veterans  Accident/disaster survivors  Violent assaults  Sexual assaults

Understanding Anxiety Disorders  1. Learning Perspective  A. Fear Conditioning  Stimulus generalization  Reinforcement  Escaping the feared situation reduces anxiety  B. Observational Learning

Understanding Anxiety Disorders  2. Biological Perspective  A. Natural Selection  B. Genes: influence level of neurotransmitters  C. Brain: an over-arousal of brain areas involved in impulse control and habitual behaviors

Understanding Anxiety Disorders