Patient R.B., who sustained brain damage while in cardiac arrest, exhibited profound anterograde amnesia. Which region of his brain was injured?
a. field CA1 of the hippocampal formation
b. the perirhinal cortex
c. the parahippocampal cortex
d. the amygdala
e. the central nucleus of the amygdala
Answer: a. field CA1 of the hippocampal formation
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Which the following are known factors related to Sudden Infant Death Syndrome?
a. a high Apgar score, low irritability, and colic b. a family history of SIDS and high irritability c. soft bedding, sleeping stomach down, and low birth weight d. hard bedding, sleeping back down, and low irritability
The sampling distribution of the difference between means _____
a. is positively skewed and unimodal b. approaches a normal distribution as sample size increases c. is bimodal with the standard error dependent upon sample size d. is negatively skewed and unimodal