Absolute Threshold: minimum stimulation needed to detect a particular stimulus 50%
of the time
Difference Threshold: minimum difference between 2 stimuli required for detection
50% of the time; aka a noticeable difference
Signal Detection Theory
Teratogens: a drug or substance that interferes with the development of a fetus.
Fetal Alcohol Syndrome(FAS): when alcohol is present during pregnancy. Causes facial
deformation, decreased muscle tone, delayed development, etc.
Downs Syndrome: when so