PSYC 2000 Exam 2 LSU Knapp
Complete Questions and Guide Answers
100% Verified Graded A+
1. Circadian rythm
Answer: Cyclical changes that occur on a roughly 24 hour basis in many biological processes
2. Biological clock
Answer: Term for the area of the hypothalamus that is responsible for controlling our level of alertness
3. Sleep debt
Answer: Missing sleep takes a toll on your body and must be made up
Mental ettects
Answer: mild depression, diflculty learning new information, problems paying attention, problems thinking clearly, and slowed reaction
time
Physical ettects
Answer: weight gain, high blood pressure, diabetes, and heart problems
4. Stage 1 of sleep
, Answer: Brain activity powers down by 50% or more creating theta waves. Lasts about 5-10 minutes. (light sleep "no I wasn't
actually sleeping")
5. Stage 2 of sleep
Answer: Brain waves slow down even more. As brain activity decreases, heart rate slows down, body temperature decreases,
muscles relax, and eye movements cease. About 65% of the sleep cycle is in stage 2
6. Stages 3 and 4 of sleep
Answer:
7. Stage 5 of sleep
Answer: REM (Rapid Eye Movement) sleep. Brain is most active during this stage, creating vivid
dreaming. Lasts about 10-20 minutes (20-25%) before the cycle repeats
8. Paradoxical Sleep
Answer: Sometimes what REM sleep is called because the brain is active, yet the body isn't. (The sleeper is paralyzed during
REM, otherwise they'd act out their dreams)
9. Insomnia
Answer: Diflculty in falling or staying asleep
10. Night terrors
Answer: Episodes of screaming, perspiring, and confusion followed by a return to a deep sleep.
Typically harmless and most often occurs in children
Complete Questions and Guide Answers
100% Verified Graded A+
1. Circadian rythm
Answer: Cyclical changes that occur on a roughly 24 hour basis in many biological processes
2. Biological clock
Answer: Term for the area of the hypothalamus that is responsible for controlling our level of alertness
3. Sleep debt
Answer: Missing sleep takes a toll on your body and must be made up
Mental ettects
Answer: mild depression, diflculty learning new information, problems paying attention, problems thinking clearly, and slowed reaction
time
Physical ettects
Answer: weight gain, high blood pressure, diabetes, and heart problems
4. Stage 1 of sleep
, Answer: Brain activity powers down by 50% or more creating theta waves. Lasts about 5-10 minutes. (light sleep "no I wasn't
actually sleeping")
5. Stage 2 of sleep
Answer: Brain waves slow down even more. As brain activity decreases, heart rate slows down, body temperature decreases,
muscles relax, and eye movements cease. About 65% of the sleep cycle is in stage 2
6. Stages 3 and 4 of sleep
Answer:
7. Stage 5 of sleep
Answer: REM (Rapid Eye Movement) sleep. Brain is most active during this stage, creating vivid
dreaming. Lasts about 10-20 minutes (20-25%) before the cycle repeats
8. Paradoxical Sleep
Answer: Sometimes what REM sleep is called because the brain is active, yet the body isn't. (The sleeper is paralyzed during
REM, otherwise they'd act out their dreams)
9. Insomnia
Answer: Diflculty in falling or staying asleep
10. Night terrors
Answer: Episodes of screaming, perspiring, and confusion followed by a return to a deep sleep.
Typically harmless and most often occurs in children
