behaviour disorders Flashcards
Psychosis :
loss of reality
Schizo-phrenia
Split-brain
associations, affect, ambivalence, autism
concordance rate
the likely hood that twins will have a certain disease
3 types of Schizo-phrenia
• Simple
• Catatonic (waxy flexibility)
Paranoid
Positive symptoms Schizo-phrenia (3)
Hallucinations
• Delusions
• Disorganized, agitated speech
The Dopamine Hypothesis Schizo-phrenia
excess DA in forebrain
• Support: DA antagonists e.g. (chlorpromazine) reduce symptoms
• Agonists like l-DOPA bring out symptoms
Schizo-phrenia Negative symptoms
- Reduced affect
- Autism
- Waxy flexibility
• Disregulation Hypothesis Schizo-phrenia
The involvement of SE
– Clozapine ( Clozaril ) D2 and 5HT2 block
Schizo-phrenia 3 methods of treatment
Psychosurgery
• Psychotherapy
• Pharmacotherapy
The PCP model
– PCP blocks glutamate (NMDA) receptor
– Glutamate excites GABA
– If no GABA inhibition excess dopamine
– Glutamate’s role in cognition (
what can cause negative symptoms
brain damage
• Laborit , Charpentier , Delay found that _____ and side effects
Chlorpromazine ( Thorazine ) DA Blocker
extra pyramidal effects, tardive dyskenesia
extra pyramidal effects
emors, chorea, dystonia, akinesia, akathisia,
tardive dyskenesia
bizzarre facial and tongue movements and a stiff neck, and difficulty swallowing.
what are the newer antopsychltics (2)
benzodiazepine, Risperidone (Risperdal)
benzodiazepine, Risperidone (Risperdal) blocks_____ and side effects
5HT2 and DA2 blocker
agranulocytosis,anxiety,Gestational disorder
learned helplessness
person suffers from a sense of powerlessness, arising from a traumatic event or persistent failure to succeed. It is thought to be one of the underlying causes of depression.
bio behavioral effects depression
learned helplessness, nterpersonal stress, frustration punishment,
what are the treatment options for depression
ECT most effective electric shock, Antidepressents, trans cranial stimulation
tranclpromine (parnate is )
antidpressent MAO Inhibitor
eutonil (pagyline)
antidepressent MAO inhibitor
phenelezine (Nardil)
antidepressent MAO Inhibitor
imipiramine (tofranil)
tricylic antidepressant
amitripyline (elavil)
tricylic antidepressant