Psychology 1000 Lecture Notes - Lecture 48: Dissociative Identity Disorder, Fugue State, Psychogenic Amnesia
4 Apr 2018
School
Department
Course
Professor
Dissociative Disorders
• Dissociative amnesia
o Selective memory loss following trauma
• Dissociative fugue
o Loss of all personal identity
• Dissociative identity disorder
o 2 or more separate personalities
o Each identity is unique
o Trauma-dissociation theory
Schizophrenia
• Schizophrenia: "split mind"
• Several disturbances in
o Thinking - delusions, false beliefs
o Speech - disorganized, strange words
o Perception - hallucinations, false perceptions
o Emotion - blunted affect, inappropriate affect
Characteristics of Schizophrenia
• Paranoid
o Delusions of persecution; grandeur
• Disorganized
o Confusion; incoherence
• Catatonic
o Severe motor disturbances
• Undifferentiated
o Not easily classified as one of above
Schizophrenia Causal Factors
• Biological factors
o Neurodegenerative hypothesis - destruction of neural tissue leads to schizophrenia
• Type II (negative) symptoms
• Lack of emotions, communications
o Dopamine hypothesis - overactivity of dopamine system
• Type I (positive) symptoms
• Delusional thinking
• Easier to treat than type II
• Antipsychotic medications as potential solution to reduce dopamine activity
Somatoform Disorders
• Hypochondriasis
o Unduly alarmed about physical symptoms
• Pain disorder
o Out of proportion
• Conversion disorder
o Sudden neurological problems
• Glove anaesthesia: experience complete numbness of hand
• Psychogenic blindness: losing vision due to trauma
find more resources at oneclass.com
find more resources at oneclass.com
111
PSYCH 1000 Full Course Notes
Verified Note
111 documents
Document Summary
Dissociative disorders: dissociative amnesia, selective memory loss following trauma, dissociative fugue, loss of all personal identity, dissociative identity disorder, 2 or more separate personalities, each identity is unique, trauma-dissociation theory. Several disturbances in: thinking - delusions, false beliefs, speech - disorganized, strange words, perception - hallucinations, false perceptions, emotion - blunted affect, inappropriate affect. Characteristics of schizophrenia: paranoid, delusions of persecution; grandeur, disorganized, confusion; incoherence, catatonic, severe motor disturbances, undifferentiated, not easily classified as one of above. Schizophrenia causal factors: biological factors, neurodegenerative hypothesis - destruction of neural tissue leads to schizophrenia, type ii (negative) symptoms. Lack of emotions, communications: dopamine hypothesis - overactivity of dopamine system, type i (positive) symptoms, delusional thinking, easier to treat than type ii, antipsychotic medications as potential solution to reduce dopamine activity. Somatoform disorders: hypochondriasis, unduly alarmed about physical symptoms, pain disorder, out of proportion, conversion disorder, sudden neurological problems, glove anaesthesia: experience complete numbness of hand, psychogenic blindness: losing vision due to trauma.
