Which technique uses photographic emulsions to record the activity of discrete cells in the brain?

The term specificity measures what factor in screenings for problems such as depression?

a) instances in which the screener suggests there is no depression, when a patient is actually depressed b) the percent of the time that the screener accurately identifies the absence of a problem c) indications when the screener suggests the presence of depression, but subsequent evaluation confirms the absence of depression d) the ability of the screener to identify depression, and the person is actually depressed

Eight-year-old Romeo went with his father to buy some fruit. His father kept walking up and down each aisle. Romeo took his father's hand and steered him on a shorter route to get to the produce aisle. Romeo was effectively using

A) planning. B) schematics. C) retrieval. D) mapping.