psychological disorders Flashcards
psychological disroders
think schizophrenia or major depressive disorder etc
neurological disorder
dont have a cognitive component. weaker control of muscles, poor motor coordination. think MS or epilepsy
brain dysfunction
starting from damage and going back to see what symtoms occur
eitiology of schizophrenia
unclear
what is the diathesis stress model
some of us have predispositions towards psychological disorders.
positive symptoms of schizophrenia
hallucinations (often auditory), dillusions, disordganied thoughts speech and behaviour.
negative symptoms of schizophrenia
decrease in emotional range, lack of motivation, lack of speech.
cognitive symptoms of schizophrenia
working memory, executive function are affected. they can also struggle with interpersonal communication.
mood symptoms of schizophrenia
in many cases it has a mood disorder component with it.
what is schizoaffective disorder
mix of major depressive disorder and schizophrenia
what is the prevalence of schizophrenia
between 0.5 and 1.5
what can schizo be confounded with
drug use (esp psychostimulant)
what do schizophrenia drugs usually target
positive symptoms
what can be seen w fMRI on schizo patient
loss of grey matter in brain
what physical brain symptoms do people with schizo have
loss of grey matter, enlarged ventricles
dopamine theory in schizophrenia
too much activity at the receptors. people with schizo who take amphetamines have a more exaggerated response
glutamate hypofunction theory for schizo
people with schizo have less glutamate receptors
if a schizophrenia pateint was given bone marrow transplant, their schizo went away (some sort of immune correlation??)
what is the minimum score for psychopathy
above 25
antisocial personality disorders
persistent violation of the rights of others
psychopathy and antisocial personality disorder
most psychopaths can be diagnosed with antisocial personality disorder, but not all people with antisocial personality disorder will be diagnosed with psychopathy
