What is the neurophysiological basis for the gluytamate theory?
a. Reduced glutamate blocks receptors for serotonin and norepinephrine, triggering anxiety and hallucinations
b. Hyperactive NMDA activity stimulates formation of abnormal connections within the brain
c. Reduced NMDA activity triggers increase in glutamate and subsequent reductions in dopamine
d. Disordered connectivity between the frontal and parietal lobe blocks the release of glutamate, rendering the negative feedback systems of the limbic system inoperative.
C
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Which statement concerning the timing of puberty in males and females is true?
a. The onset of menarche in females typically occurs a few years prior to the typical onset of spermarche in males. b. The onset of menarche in females typically occurs a few years after to the typical onset of spermarche in males. c. The onset of menarche in females typically occurs around the same time as the onset of spermarche in males. d. The onset of menarche in females typically occurs almost a decade after the typical onset of spermarche in males.
What mental state involves being aware of your mental state?
A. self consciousness B. minimal consciousness C. dynamic unconsciousness D. full consciousness E. ironic consciousness
A functional magnetic resonance imaging technique can capture brain changes ________
a. using radio frequencies to detect levels of blood oxygen in different brain areas. b. using microelectrodes that are so fine they can be inserted into single cells. c. by translating electrical energy from the brain into wavy lines on paper or a screen. d. by following the temporary inactivation of neural circuits.
The null hypothesis specifies
a) There are differences that exist between participants. b) There are no differences between groups. c) The difference between conditions is not significant. d) The observed results are not the true results.