An imaging technique that has been useful in helping researchers understand the decline in memory and cognition that often accompanies aging is ________.
A. Functional magnetic resonance imaging (FMRI)
B. Magnetoencephalogaphy (MEG)
C. Magnetic source imaging (MSI)
D. Positron emission tomography (PET)
Answer: A. Functional magnetic resonance imaging (FMRI)
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What aspect of the symptoms of schizophrenia is described by the term "loose associations"?
a. social withdrawal b. shifting topics too abruptly c. disruptions in neurotransmitter functioning d. lack of relation between cognitive and emotional symptoms
The American Psychiatric Association has published a manual that is the most widely used classification system of psychological disorders. What is this manual called?
a. International Classification of Diseases (ICD) b. Physicians' Desk Reference (PDR) c. Psychodynamic Diagnostic Manual (PDM) d. Diagnostic and Statistical Manual of Mental Disorders (DSM)
Alcohol decreases anxiety by ____.
A. promoting chloride flow at the GABA-A receptor complex B. inhibiting chloride flow at the GABA-A receptor complex C. promoting sodium flow at serotonin synapses D. inhibiting sodium flow at serotonin synapses
The planning committee routinely shut down disagreement and encouraged allegiance to the leader's ideas. What is the term for this type of group dynamic?
A. wisdom of crowds B. spiral of silence C. groupthink D. pluralistic ignorance