Question
Answered step-by-step
LieutenantOryx53
1. If you live on a cave without any exposure to daylight or many…
1. If you live on a cave without any exposure to daylight or many other consistent cues of time, most you would have a free running daily cycle that would be approximately
Group of answer choices
28-30 hours long
21-23 hours long
18-20 hours long
25-26 hours long
2. Imagine that you’re running a sleep lab. Currently your participant is asleep and is demonstrating theta waves, K-complexes, and sleep spindles on your polysomnograph. Which stage of sleep are they currently experiencing?
Group of answer choices
stage 1
stage 2
REM sleep
stage 4
stage 3
3. As the night progresses
Group of answer choices
REM and SWS both decrease
REM and SWS both increase
REM decreases and SWS increases
SWS decreases and REM increases
4. Nightmares occur during ____________ and night terrors usually occur during ___________
Group of answer choices
REM; stages 3 and 4
stages 1 and 2; REM
stages 1 and 2; stages 3 and 4
stages 3 and 4; REM
5. As a part of an ongoing study on consciousness you decide to use modern imaging techniques to analyze the brain activity of participants during REM sleep. Based on previous studies, which of the following would you LEAST likely expect to see in these individuals during REM?
Group of answer choices
activity in the rostral portions of the reticular formation of the pons
ongoing activity within certain limbic structures of the brain
an increase in the firing rate of neurons in the raphe nuclei
lack of activity in the locus coeruleus
6. Which of the following conditions is NOT significantly associated with the deeper stages of sleep?
Group of answer choices
sleep talking
night terrors
sleep apnea
sleep walking
7. Imagine that we were to go in and damage the preoptic region of the hypothalamus in a group of rats. What would you expect to would happen to their overall sleep wake pattern?
Group of answer choices
the rats would shift from being primarily nocturnal to diurnal animals
the rats would suffer from chronic insomnia
the rats would immediately fall into a coma state and never wake up
nothing would happen because this area isn’t involved with states of consciousness
the rats would die as this area of the brain is crucial for survival functions
8. All of the following aspects of the brain are thought to help us maintain a wakeful state EXCEPT
Group of answer choices
the locus coeruleus
the superior colliculi
the reticular formation, in particular pathways from here to the basal forebrain
the raphe nuclei of the brainstem
9. Which of the following is usually NOT usually a right hemisphere dominant function?
Group of answer choices
Spatial abilities
Analyzing details (the “trees”) rather than the gestalt (the “forest”) within a visual presentation.
Recognition of faces
interpreting the prosody in someone’s speech
Differentiating amongst emotional expressions.
10. In an experiment with split brain patients in which the word “MILE” appears to the left of a fixation point and the word “STONE” appears to the right on a tachistoscope, how will the participant respond when asked to point with the left hand to what they’ve just seen?
Group of answer choices
the participant is unable to respond, since they could no longer read
the participant points to MILE
the participant points to STONE
the participant points to MILESTONe
