A drug that blocks the effects of a neurotransmitter is a(n) ____; a drug that mimics or increases the effects is a(n) ____

___________________ is the unexpected death of a healthy infant after the first month of age

from no apparent cause. a. Infant mortality b. Infant fatality c. Sudden infant death syndrome d. Marasmus

Which of the following has been shown to be moderately successful as a predictor of later intelligence?

a. getting a high score on the Bayley Scales of Infant Development b. achieving a low score on the Uzgiris-Hunt Ordinal Scales of Sensorimotor Development c. being a "short looker" in a test of habituation d. being a "long looker" in a test of habituation