Psychological Disorders Flashcards
Schizophrenia
“splitting of psychic functions”
- affects 1% of population
- multiple types exist
- symptoms: delusions, hallucinations, odd behavior, incoherent thoughts, and inappropriate affect
How do u get schizophrenia
- genetics, prenatal trauma,
infection, and stress may all be susceptibility factors - twins are more likely to get it
- Clearly, schizophrenia is influenced by both genetics and experience; the current view
are that people inherit a predisposition for schizophrenia, which may or may not be
activated by experience - early 20’s (men), late 20’s (women)
- earlier symptoms means worse case
discovery of drugs
schizophrenia is a consequence of drugs that are able to treat it
Chlorpromazine
calms schizophrenia and activates blunt schizophrenia
Dopamine theory
1960- link between DA and parkinsons
Antipsychotic drug side effects
- Parkinson’s side effects
- reserpine depletes DA
- associated with dopamine overactivity
Limitations of Dopamine theory
- time lag between drug action and improvement
- brain damage
- the unpredictability of drug interventions
- mainly effective for positive symptoms
Positive symptoms
incoherence, hallucinations, delusions
negative symptoms
flat affect, cognitive deficits, little speech
Depression
normal reaction to loss, abnormal when it persist or has no cause
Mania
overconfidence, impulsivity, distractibility, and high energy
Unipolar
will be called unipolar until someone has a mania episode and then will be called bipolar
Mood disorder
psychiatric disorder categorized by disturbance of mood
- includes depression and mania
Types of depression
unipolar and bipolar
Causel factors of bipolar and unipolar
genetics, stressful experiences, birth trauma, seasonal mood disorders, reduction of sunlight