Why do many reflexes, such as pulling your hand away from a hot iron, happen so quickly?
a) They involve the neurotransmitter GABA rather than dopamine.
b) The message involved does not have to go all the way to the brain.
c) The speed of processing is faster in the frontal lobes than in the occipital lobes.
d) The path that reflexes follow to the brain is direct and does not involve any neurotransmitters.
Answer: b
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The fact that babies from around the world tend to develop language skills at approximately the same age is support for which of the following concepts from the study of human development?
a. continuity b. discontinuity c. context-specific development d. universal development
In Exercise 42, the generalization gradient that was produced following simple tone-on S- (2.0 kHz) discrimination learning covered the range from 1.0 to 3.0 kHz. The gradient was highest at
a. 1.0 kHz. b. 1.5.kHz. c. 2.0 kHz. d. 2.25 kHz
Positron Emission Tomography (PET) differs from Magnetic Resonance Imaging (MRI) in that a PET scan:
A. studies the structure of the brain B. studies activity in the brain C. uses radio frequencies D. identifies spinal cord injuries
The treatment for chronic fatigue syndrome developed by Michael Sharpe includes all of the following EXCEPT a. medication
b. increased activity. c. regulated rest periods. d. breathing exercises.