14.13+14.14 Flashcards
schizophrenia
severe disorder in which the person suffers from disordered thinking, bizarre behavior, hallucinations, and inability to distinguish between fantasy and reality.
psychotic
refers to an individual’s inability to separate what is real and what is fantasy.
delusions
false beliefs held by a person who refuses to accept evidence of their falseness.
delusions of persecution,
in which people believe that others are trying to hurt them in some way
delusions of reference
in which people believe that other people, television characters, and even books are specifically talking to them
delusions of influence
In which people believe that they are being controlled by external forces, such as the devil, aliens, or cosmic forces
delusions of grandeur or grandiose delusions
in which people are convinced that they are powerful people who can save the world or have a special mission
Primary symptoms of schizophrenia
Delusions, disturbed or disorganized thoughts, hallucinations, changes in mood and disorganized or odd behavior.
hallucinations
false sensory perceptions, such as hearing voices that do not really exist.
flat affect
a lack of emotional responsiveness.
catatonia
disturbed behavior ranging from statue-like immobility to bursts
of energetic, frantic movement, and talking.
positive symptoms
symptoms of schizophrenia that are excesses of behavior or occur in addition to normal behavior; hallucinations, delusions, and distorted thinking.
negative symptoms
symptoms of schizophrenia that
are less than normal behavior or an absence of normal behavior; poor attention, flat affect, and poor speech production.
stress-vulnerability model
explanation of disorder that assumes a biological sensitivity, or vulnerability, to a certain disorder will result in the development of that disorder under the right conditions of environmental or emotional stress.
Causes of schizophrenia
Genetics and brain structural defects, overactivity of dopamine areas or lower dopamine, biological roots, and stress-vulnerability model.