PSYC 444 MIDTERM EXAM (Sleep
Mechanisms and Behaviour) 81
mcq and saqs 2025 McGill
University
.
Correct
Incorrect
Your answers
delta sleep
PGO Waves
, Why we sleep Role of Blue Light
Don't know?
2 of 81
Definition
- Experiment of a mouse, it would adapt pretty quickly, put if you
switch the new time schedule, it will change
Give this one a go later!
Circadian [hase synchronized Circadian phase synchronized
light exposure sound exposure
Circadian phase synchronized Circadian phase synchronized
temperature exposure humidity exposure
Don't know?
3 of 81
Definition
- Ponto-geniculo-ocular waves are thought to initiate REM sleep
- Thus, neocortex is activated "bottom-up", motor output and
sensory input are blocked, and eye movements are generated
- Explains why you have dreaming and are unaware that you are
dreaming
,- According to these people, it means that dreaming is a by-product
of REM but not important
- Never got rid of it evolutionarily bc it's not damaging
- Don't need to care about dream content at all
Give this one a go later!
Zeitgebers PGO Waves
REM sleep Slow Waves
Don't know?
4 of 81
Definition
- Cerveau isolé
-> Immediately after midbrain transection: forebrain shows
continuous slow waves of EEG
->> Structures below the forebrain are likely to be ivolved in
generating sleep signals
-> Mid-pointine lesions: predominance of arousal/wake
->> Midpons-upper midbrain: wkae generation
-> After about a week, the whole brain starts to show circadian
rhythms again
- When you look at lit on transection studies, there are many things
that have been tried
- Encéphale isolé: between medulla and spnal cord you have an
"isolated brain"
- Cerveau isolé: transection higher up, produces an "isolated
, forebrain"
- Reticular formation would activate arousal mechanism
- Different places have an effect on wake and sleep or REM and
NREM cycles
- Doesn't seem to be any specific legion that will completely abolish
sleep or completely abolish wake
Give this one a go later!
Subjective estimation of sleep
Transection studies
quality and length
Neural control of sleep Some basic notions
Don't know?
5 of 81
Definition
- Slow waves can be triggered by transcranial magnetic stimulation
- Sleep spindles can be stimulated with sounds and the
pharmacological interventions
Give this one a go later!
Circadian [hase synchronized light History of sleep research: discovery
exposure of biological rhythms
Mechanisms and Behaviour) 81
mcq and saqs 2025 McGill
University
.
Correct
Incorrect
Your answers
delta sleep
PGO Waves
, Why we sleep Role of Blue Light
Don't know?
2 of 81
Definition
- Experiment of a mouse, it would adapt pretty quickly, put if you
switch the new time schedule, it will change
Give this one a go later!
Circadian [hase synchronized Circadian phase synchronized
light exposure sound exposure
Circadian phase synchronized Circadian phase synchronized
temperature exposure humidity exposure
Don't know?
3 of 81
Definition
- Ponto-geniculo-ocular waves are thought to initiate REM sleep
- Thus, neocortex is activated "bottom-up", motor output and
sensory input are blocked, and eye movements are generated
- Explains why you have dreaming and are unaware that you are
dreaming
,- According to these people, it means that dreaming is a by-product
of REM but not important
- Never got rid of it evolutionarily bc it's not damaging
- Don't need to care about dream content at all
Give this one a go later!
Zeitgebers PGO Waves
REM sleep Slow Waves
Don't know?
4 of 81
Definition
- Cerveau isolé
-> Immediately after midbrain transection: forebrain shows
continuous slow waves of EEG
->> Structures below the forebrain are likely to be ivolved in
generating sleep signals
-> Mid-pointine lesions: predominance of arousal/wake
->> Midpons-upper midbrain: wkae generation
-> After about a week, the whole brain starts to show circadian
rhythms again
- When you look at lit on transection studies, there are many things
that have been tried
- Encéphale isolé: between medulla and spnal cord you have an
"isolated brain"
- Cerveau isolé: transection higher up, produces an "isolated
, forebrain"
- Reticular formation would activate arousal mechanism
- Different places have an effect on wake and sleep or REM and
NREM cycles
- Doesn't seem to be any specific legion that will completely abolish
sleep or completely abolish wake
Give this one a go later!
Subjective estimation of sleep
Transection studies
quality and length
Neural control of sleep Some basic notions
Don't know?
5 of 81
Definition
- Slow waves can be triggered by transcranial magnetic stimulation
- Sleep spindles can be stimulated with sounds and the
pharmacological interventions
Give this one a go later!
Circadian [hase synchronized light History of sleep research: discovery
exposure of biological rhythms
