Zusammenfassung der Ressource
Psychoses
- Nature
- Unable to
distinguish reality
from illusion
- May be seen as
medically & legally
incompetent.
- Signs:
- Delusions
- Hallucinations
- Illusions
- Disorganized behavior
- Difficulty relating to others
- Paranoia
- Causes:
- TBI
- Medication overdose
- Chronic
alcoholism/drug
addiction
- Extreme depression
- Bipolar disorder
- Alzheimer's disease
- Schizophrenia
- Usually cannot
function
w/out
long-term
drug therapy.
- Schizophrenia
- Characterized by
abnormal thoughts,
thought processes,
disordered
communication, and
withdrawal from others.
- High risk for
suicide.
- Positive
symptoms add on
to normal
behavior
- Hallucinations,
delusions, and
disorganized
thought/speech
- Negative symptoms
subtract from
normal behavior.
- Lack of interest,
motivation,
responsiveness,
or pleasure in
daily activities.
- Characteristic of the
indifferent
personality of many
schizophrenics.
- Causes:
- Genetics
- Overactive
dopaminergic
pathways in
basal nuclei.
- Dopamine type 2
receptors are
rich in the basal
nuclei.
- Areas of frontal
cortex are filled
w/subcortical
circuits contingent
on dopamine
levels.
- Schizoaffective disorder
- Schizophrenia +
mood disorder.
- Both positive and
negative symptoms
are present.
- Conditions that
can look like this:
- Chronic amphetamine
or cocaine use.
- Brain neoplasms
- Infections.
- Hemorrhage