Alcohol is considered a gateway drug because: a. when people drink, their judgment diminishes, and their ability to make good choices is impaired. b. under the influence of alcohol, people get more daring and more willing to try things they would never try if they didn't drink. c. both a and b

Option C, Both A and B

Explanation:

A gateway drug is one which if consumed regularly will make the user daring enough to try much harmful drugs such as cocaine, marijuana etc. Hence, a gateway drug is one which opens gate for a person to use more harmful and varied drugs. Such as alcohol,nicotine etc.

Under the affect of gateway drug a person is unable to make right and conscious choices and hence he/she becomes impaired.

Thus, option C is correct

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.