New research on schizophrenia has focused on glutamate. What parts of the brain are thought to play a role due to the presence of this neurotransmitter?
a) All parts of the brain may be significant because glutamate destroys neurons when its level is excessive.
b) Information flow between the executive control centers and the limbic system is influenced by this neurotransmitter.
c) High levels of glutamate in the parietal and temporal lobes are associated with symptoms of schizophrenia, especially hallucinations.
d) The corpus callosum can easily be disrupted and thus messages get garbled when glutamate levels are high, which occurs when there is some insult to brain tissue.
B
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All of the following are reasons why friendships are more highly valued by older people in late adulthood than family relationships EXCEPT
a) the ability to make friendships offers an element of control in one's life. b) new friendships require much less time and effort than maintaining family ties. c) friendships offer more flexibility than family relationships and less of a history of obligations and conflicts. d) it is increasingly likely as one ages that one will be without a partner, and a friendship provides companionship.
Paranoid personality disorder differs from paranoid schizophrenia in that
a) paranoid personality is not associated with unreasonable paranoia. b) paranoid personality is more greatly associated with different delusions than schizophrenia. c) paranoid personality is not associated with hallucinations. d) paranoid personality is not likely to be present with depression.