Psychological Disorders

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Good Morning! Please grab a disorder chart on your way to your seat!
Presentation transcript:

Psychological Disorders Beware of “psychology student’s disease”

Anxiety Disorders Specific Anxiety Disorders: Anxiety – vague feelings of apprehension and nervousness Specific Anxiety Disorders: Generalized Anxiety Disorder (GAD)– persistent, unexplained feelings of apprehension and tenseness (must experience at least 3 symptoms of anxiety – pg. 535) Panic Disorder – sudden episodes of intense, unexplained panic Obsessive-Compulsive Disorder (OCD) – unwanted, repetitive thoughts and actions (obsessions – thoughts; compulsions – actions) – chart page 539

Specific Anxiety Disorders (cont.) Phobia – disruptive, irrational fears Agoraphobia – fear of having a panic attack in the wrong place or fear of open spaces (usually stay home) Social phobia – fear of being scrutinized by others, avoid speaking up, eating out, going to parties Other phobias – triskaidekaphobia (number 13), uxoriphobia (one’s wife), Santa Clautrophobia (getting stuck in chimneys), panaphobia (everything), phobophobia (fear of fear), anthophobia (flowers), trichophobia (hair), numerophobia (numbers); page 537 Posttraumatic Stress Disorder – triggered by stress; reliving a severely upsetting event in unwanted recurring memories and dreams; symptoms include: haunting memories, nightmares, social withdrawal, jumpy anxiety, depression

Explanation for Anxiety Disorders Behaviorism: Conditioning - can learn to associate certain things w/ anxiety-causing events from past Observational Learning – children can learn fears just from watching their parents Reinforcement – people gain release from anxiety by avoiding the situation/thing (reinforces that behavior)

Explanation for Anxiety Disorders Biological Factors: Heredity – predispositions for disorders (identical twins raised in different families have similar phobias) Brain Function – higher degree of activity in frontal lobes (planning, attention, processing emotion) of people w/ OCD; amygdala (emotions) different in people w/ phobias Neurotransmitters – OCD linked to low serotonin levels (mood/arousal) Amygdala

Mood Disorders Major Depressive Disorder – experience at least 2 weeks of depressed moods (pg. 543) & diminished interest in activities for no apparent reason; lack of energy; sleep disturbances; possible suicide risk Bipolar Disorder – alternate between major depression and mania (unrealistically optimistic, wildly hyper, agitated) Mark Twain Vincent van Gogh

Explanations for Mood Disorders Social-Cognitive Factors: Learned Helplessness – can produce depression (negative thoughts) & self-fulfilling prophesies Attributions (Explanatory Style) – depressed people are more likely to explain bad events as stable (lasting forever), global (affects everything), internal (my fault) – attributions lead to hopelessness & depression Culture – depression less common in collectivist cultures – social supports available, feel less responsible for bad events

Explanations for Mood Disorders Biological Factors: Heredity – Major Depressive Disorder: identical twins - if one has, other has 50 % chance of developing it; only 20% for fraternal twins; Bipolar (identical twins: 70% chance) Brain Function – Major Depressive Disorder: brain is less active during depression (esp. frontal lobes that are active for positive emotions) but more active in manic states Neurotransmitters – Major Depressive Disorder connected w/ low levels of serotonin, dopamine, & norepinephrine

Dissociative Disorders: General Information dissociate – to separate or divide Breakdown in a person’s normal conscious experience (loss of memory or identity) Believed by some to be an attempt to escape from part of self that one fears (reduce anxiety)

Dissociative Disorders Dissociative amnesia – memory loss (including basic knowledge of self) as a reaction to specific, stressful events (basically amnesia with no physical cause) Dissociative fugue – extended form of dissociative amnesia; loss of one’s identity is accompanied by travel to a new location Dissociative identity disorder – person is said to exhibit two or more distinct and alternating personalities that take control at different times; usually suffered sever physical, psychological, or sexual abuse as a child; existence is controversial

Dissociative Disorders Debate Evidence for: distinct brain states associated w/ different personalities, changes in eye-muscle balance, eye color, scars, handedness, and vision Evidence against: virtually nonexistent outside North America

DID Quick Write After watching the documentary, what do you think about the dissociate disorders debate (especially surrounding DID) now? Do you think it is a real disorder or are these people misdiagnosed and under the influence of a persuasive therapist? Explain how you came to your conclusion.

Schizophrenia: General Information Not one disorder “Schiz” – break from reality (psychosis) Inappropriate behaviors & emotions word salad – nonsense talks Hallucinations (false perceptions) – most often auditory, can be visual or tactile Delusions (false beliefs) of: grandeur – you are more important than you really are persecution – people are out to get you sin or guilt – being responsible for some misfortune influence – being controlled by outside forces “devil”

Schizophrenia Disorders Paranoid schizophrenia – delusions , particularly grandeur & persecution; auditory & other hallucinations often support the delusions Catatonic schizophrenia – variations in voluntary movement; alternates between two phases: excitement and stupor (flat emotions, appear to be in a daze & waxy flexibility) Disorganized schizophrenia – bizarre behavior, delusions, and hallucinations; visibly disturbed (often described as “crazy”) Undifferentiated schizophrenia – symptoms that are disturbed but are not clearly consistent with other types

Schizophrenia Explanations Biological Factors: Genetics: predisposition – higher rates for people w/ sibling or parent (1 in 10) who has it (1 in 100 in general pop); 1 in 2 if identical twin has it Brain Structure: small amounts of brain tissue & larger fluid-filled spaces thalamus (routes sensory memory) is smaller Brain Function: less activity in frontal lobes 6x normal number of receptor sites for dopamine Prenatal Viruses: viral infection during middle of pregnancy (pg. 565)

Schizophrenia: Biological Explanations

Schizophrenia Explanations Psychological Factors: Stress & disturbed family communications– may contribute to the development of schizophrenia (for those have a predisposition)

Personality Disorders: General Information Lasting, rigid patterns of behavior that seriously impair one’s social functioning Usually evident by adolescence The person often does not recognize the problem exists

Personality Disorders (related to anxiety) Avoidant personality disorder – sensitive about being rejected; personal relationships difficult Dependent personality disorder – behave in clingy, submissive ways & display a strong need to have others take care of them

Personality Disorders (odd or eccentric behaviors) Paranoid personality disorder – shows deep distrust of other people; suspiciousness gets in the way of personal relationships Schizoid personality disorder – detached from social relationships; hermits; avoid intimate interactions with others

Personality Disorders (dramatic or impulsive behaviors) Borderline personality disorder – instability of emotions, self-image, behavior, and relationships Antisocial personality disorder – (also known as psychopathic or sociopathic) no concern for the rights or feelings of other people; willing to engage in criminal behavior & shows no remorse; occurs more often in males & develops in adolescence ; often charming & clever; difficult to treat