Memories in our unconscious that affect performance and behavior are known as ________ memories

Your 74-year-old grandfather was recently diagnosed with Parkinson's disease. Initially, he will have difficulties with involuntary movement and motor coordination. One form of treatment is to provide medication that increases what neurotransmitter?

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

Newton’s thoughts about gravity were first inspired after ____

a. he saw an apple fall c. he fell down a staircase b. he watched raindrops falling d. he dropped a ball