The __________ theory of attachment recognizes the infant's emotional tie to the caregiver as an evolved response that promotes survival

Psychologists have concluded that personality is approximately 50% genetic in nature

Indicate whether this statement is true or false.

A person with Parkinson's disease is MOST likely to have a problem with which of the following neurotransmitters?

a. acetylcholine c. serotonin b. dopamine d. norepinephrine