The chemicals that carry signals over the gap between the synapses in the brain are called __________.
a. hormones
b. circadians
c. neurotransmitters
d. myelin
Question 2
Which statement accurately represents what researchers have found about brain scans and personality?
a. Extraversion is linked to positive emotions, and neuroticism is linked to negative emotions.
b. Neuroticism is linked to positive emotions, and extraversion is linked to negative emotions.
c. Extraversion is linked to both positive and negative emotions.
d. Neuroticism is linked to both positive and negative emotions.