PSYC 355 Chapter 16 Part 1

the statistical study of patterns of disease in a population

a false belief strongly held in spite of contrary evidence

a severe psychopathology characterised by negative symptoms such as emotional withdrawal and impoverished thought, and by positive symptoms such as delusions and hallucinations.

a condition, seen in schizophrenia, that is characterised by disturbances of thought and difficulty relating events properly.

hallucinations, delusions, excited motor behav

emotional and social withdrawal, blunted affect, slowness, impoverishment of thought and speech

mono are twins from a single egg. dizygotic are twins from two eggs. mono=identical twins, di=fraternal twins

• concorden=both ppl in set of twins share the trait
• discordent=one person in set of twins has trait

schizophrenia may reflect underactivation of the frontal lobes

a delusional state resembling schizophrenia from repeated use of high doses of amphetamine

an antipsychotic drug, one of the class of phenthiazines.

a class of antipsychotic drugs that reduce the postive symptoms of schizophrenia

drugs alleviating symptoms of schizo by blocking dopamine receptors

a major class of schizo drugs that share antagonist activity at dopamine D2 receptors.

schizo results from excessive levels of synaptic dopamine or excessive post synaptic sensitivity to dopamine.

a class of antischizophrenic drugs with actions other than antagonist activity at D2 receptors (typical neuroleptics). An example is clozapine.

an atypical neuroleptic

anesthetic agent thats also a psychedelic drug. Causes dissociation from yourself and environment.

a drug inducing a state similar to schizophrenia

that schizophrenia might be caused partly by the understimulation of glutamate receptors

a condition with unhappy mood, loss of interest energy and appetite and difficulty concentrating

depression that alternates with normal emotional states

last resort treatment for depression where a electric current passes through the brain causing a seizure

an enzyme that breaks down and thereby inactivates monoamine transmitters

a drug that causes the depletion of monoamines and can lead to depression

a drug that blocks the reuptake of transmitter at serotonergic synapses, used to treat depression