We have an appetite for sodium salt and our body has specialized physiological mechanisms for retaining it because:
a. It is essential to life.
b. It was a rare commodity in the environment of our ancestors.
c. We are taught to eat it as children.
d. Both a & b.
D
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Which brain abnormality is common among people with schizophrenia, compared to average?
a. Smaller neurons and fewer synapses in the prefrontal cortex b. Slower conduction of action potentials in the amygdala and hippocampus c. Lower concentrations of the neurotransmitter dopamine in several brain areas d. Smaller ventricles in the two cerebral hemispheres
Which of the following is an example of a conditioned reinforcer?
a. ?food b. ?money c. ?sleep d. ?water
Albert realizes that he has to study differently for essay tests in history than the multiple-choice test in his psychology class. In which aspect of memory is he demonstrating growth?
A) Metacognition B) Meta-awareness C) Meta-mnemonics D) Meta-memory
The connections that exists between the neurons in the brain are called:
a. glial cells b. plastic links c. neuromodulators d. synapses