Which part of the eye regulates the size of the pupil?

a) iris
b) lens
c) retina
d) sclera


a

Psychology

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Neuroimaging techniques are least useful in determining ____

a. gross and fine analyses of brain structure b. changes in blood flow in the brain c. rate of glucose metabolism in the brain d. the reason for abnormal brain activity

Psychology

The word frequency effect refers to the fact that we respond more

A. slowly to low-frequency words than high-frequency words. B. slowly to letters appearing in nonwords than letters appearing in words. C. quickly to letters that appear multiple times in a word than just once in a word. D. quickly to phonemes that appear multiple times in a word than just once in a word.

Psychology

Research has demonstrated a link between depression and atrophy and cell loss in the ___________

a. hippocampus b. medulla oblongata c. hypothalamus d. pons

Psychology

Which type of appraisal may elicit positive emotions, such as exhilaration?

a. a challenge appraisal c. an arousal appraisal b. a fight appraisal d. a threat appraisal

Psychology