Deck 3: A: Biological Psychology

Question 1

Serotonin affects neurons involved in sleep,appetite,and mood.

Answer 1

True

Question 2

Transcranial magnetic stimulation (TMS)uses a powerful magnetic field to temporarily stimulate or inactivate neural circuits.

Answer 2

True

Question 3

After surgery severing the corpus callosum,patients are unable to walk or to care for the physical needs of everyday life.

Answer 3

False

Question 4

Dizygotic twins are more likely to share a trait with high heritability than are non-twin siblings.

Question 5

The brain stem's two main structures are the medulla and the pons.

Question 6

Neurons greatly outnumber glial cells in the brain.

Question 7

Humans have 46 pairs of chromosomes.

Question 8

The autonomic nervous system controls skeletal muscles.

Question 9

An action potential is a chemical substance that alters the polarization of a receiving neuron.

Question 10

A heritability estimate around .53 for a trait indicates that 0.53% of the individual differences in the trait can be attributed to genetic factors in the population that was studied.