AP PSYCHOLOGY

BIOLOGICAL BASES OF BEHAVIOR

BIOLOGY OF CONSCIOUSNESS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Desynchronosis, or jet lag, is caused by
A
damage to the pineal gland
B
an overabundance of melatonin
C
an overactive pons
D
an upset circadian rhythm
Explanation: 

Detailed explanation-1: -Jet lag can occur anytime you cross two or more time zones. Crossing multiple time zones puts your internal clock out of sync with the time in your new locale. Your internal clock, also called circadian rhythms, regulates your sleep-wake cycle.

Detailed explanation-2: -Jet lag is a circadian rhythm sleep-wake disorder that occurs when your 24-hour internal clock, known as your circadian rhythm, does not match the local day-night cycle.

Detailed explanation-3: -During jet lag, the various oscillatory components of the circadian system are likely out of phase with the central clock in the SCN and consequently with each other. This disorganization of the circadian system leads to a cluster of symptoms including sleep disturbances and suboptimal cognitive performance.

Detailed explanation-4: -Jet lag is caused by a mismatch between a person’s normal daily rhythms and a new time zone. It is a temporary sleep problem that usually occurs when you travel across more than three time zones but can affect anyone who travels across multiple time zones.

Detailed explanation-5: -Minimizing jet lag If you’re crossing several time zones, you may want to try the following: Gradually switch before the trip. For several days before you leave, move mealtimes and bedtime incrementally closer to the schedule of your destination. Even a partial switch may help.

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