AP PSYCHOLOGY

BIOLOGICAL BASES OF BEHAVIOR

BIOLOGY OF CONSCIOUSNESS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Julia is more alert in the morning and her brother, Jack, is more alert in the afternoon. The difference is caused by a difference in the sibling’s
A
sleep cycles
B
circadian rhythm
C
daily activities
D
personalities
Explanation: 

Detailed explanation-1: -Explanation: (B) The siblings have different circadian rhythms, approximately 24-hour cycles in biological and behavioral processes including those that regulate alertness, body temperature, and heart rate.

Detailed explanation-2: -(A) The relationship between arousal and performance is known as the Yerkes-Dodson law and is expressed by a graph that looks like an inverted “U". As arousal increases, so does performance-up to a point.

Detailed explanation-3: -Explanation: (C) Humanistic personality theory is criticized for having an unrealistically optimistic view of human nature. Humanistic psychologists generally believe that all people are innately good and motivated to fulfill their own unique potential, ideas that some critique as overly optimistic.

There is 1 question to complete.