Neuro: Emotional Brain Systems Flashcards
(14 cards)
mesolimbic pathway is responsible for the __________ symptoms of schizophrenia
Positive
mesocortical pathway is responsible for the ___________ symptoms of schizophrenia
Negative
Are antipsychotics effective for the positive or negative symptoms of schizophrenia?
Positive
What is responsible for schizophrenia?
Excess dopamine
Schizophrenia primary treatment
Antipsychotics
How do antipsychotics treat schizophrenia?
By antagonizing dopamine D2-type receptors and reduces dopaminergic neurotransmission
monoamine hypothesis states that a deficiency in the availability of monoamines ___________, ____________ and ____________ in the synapses contributes to depression
Serotonin, norepinephrine, dopamine
What do antidepressants target?
one or more of the monoamines (serotonin, NE, dopamine) by inhibiting re-uptake
Showing symptoms of depression + having a manic episode can mean what disorder is present?
Bipolar disorder
A manic episode will show 3 of the following symptoms
Increases self esteem or grandiosity
Decreased need for sleep
More talkative than usual
Flight of ideas
Distractibility
Increase in goal-directed activity or psychomotor agitation
What is used to treat bipolar disorder?
Lithium which is a mood stabilizer
What can be used in conjunction with lithium to treat manic episodes?
Anticonvulsants
atypical antipsychotics
drugs that treat psychotic symptoms and behavior (schizophrenia, bipolar disease)
D2 antagonists are effective in treating what mental disorder?
Schizophrenia
