Of the following neurotransmitters, which has NOT been specifically implicated in psychological disorders such as depression, schizophrenia, substance abuse, and eating disorders?

When only a subset of scores (e.g., the lower half) are used to predict an outcome, we should be concerned about the _____ problem.

A) restriction of range B) false positives C) false negatives D) criterion

The idea that the brain operates in both a bottom up and top down way, with simple, modality-specific sensory-bound functioning at the bottom and more abstract and flexible, less localized functioning at the top is best associated with

a. Broca b. Gall c. Luria d. Lashley