PSYC 2000 Exam 2 LSU Knapp Exam fully solved & updated (latest version
verified for accuracy) (Questions + Answers) Solved 100% Correct!!
Circadian rythm - (ANSWER)Cyclical changes that occur on a roughly 24 hour basis in many biological
processes
Biological clock - (ANSWER)Term for the area of the hypothalamus that is responsible for controlling our
level of alertness
Sleep debt - (ANSWER)Missing sleep takes a toll on your body and must be made up
Mental effects: mild depression, difficulty learning new information, problems paying attention,
problems thinking clearly, and slowed reaction time
Physical effects: weight gain, high blood pressure, diabetes, and heart problems
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")
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
Stages 3 and 4 of sleep - (ANSWER)
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
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)
Insomnia - (ANSWER)Difficulty in falling or staying asleep
verified for accuracy) (Questions + Answers) Solved 100% Correct!!
Circadian rythm - (ANSWER)Cyclical changes that occur on a roughly 24 hour basis in many biological
processes
Biological clock - (ANSWER)Term for the area of the hypothalamus that is responsible for controlling our
level of alertness
Sleep debt - (ANSWER)Missing sleep takes a toll on your body and must be made up
Mental effects: mild depression, difficulty learning new information, problems paying attention,
problems thinking clearly, and slowed reaction time
Physical effects: weight gain, high blood pressure, diabetes, and heart problems
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")
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
Stages 3 and 4 of sleep - (ANSWER)
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
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)
Insomnia - (ANSWER)Difficulty in falling or staying asleep
