The sensation of experiencing sounds as pictures, or of seeing movements produced by musical rhythms, is known as
A. tachyphylaxis.
B. analgesia.
C. homeostasis.
D. synesthesia.
Question 2
Although LSD has complex effects in the brain, the best evidence indicates that its hallucinogenic properties are due to stimulating
A. serotonin-2A receptors.
B. the mesolimbic dopamine system.
C. cholinergic receptors.
D. GABA receptors.