To demonstrate the impact of different environmental experiences on the brain, one group of rats was raised in a complex environment, while another group of rats was raised in a simpler environment. When their brains were compared, the rats raised in the more complex environments had

a. fewer synapses and shorter dendrites.
b. more synapses and longer dendrites.
c. fewer axons but more

The primary difference between peptide hormones and steroid hormones is

a. steroid hormones are amino acids strings instead of carbon rings b. steroids are released from the pituitary gland c. steroids bind to intracellular receptors, peptide hormones to membrane receptors d. there are no differences.

Childhood abuse is commonly seen in those who develop dissociative disorders later in life. Childhood abuse would best be described as a

a. necessary contributory cause. b. proximal contributory cause. c. reinforcing contributory cause. d. distal contributory cause.