Consciousness Flashcards
WHAT IS CONSCIOUSNESS?
awareness of internal and external stimuli such as feelings of
hunger and pain or detection of light
what is Hypnosis?
an extreme focus on the self that involves
suggested changes of behavior and experience.
How is our Our sleep—wake cycle regulated ?
By melatonin
How is melatonin released?
Melatonin is released by the pineal gland.
WHY DO WE SLEEP?
Adaptive Function and Cognitive Function
What is adaptive Function?
Sleep is an adaptive response to predatory risks, which increase in darkness.
what is Cognitive Function?
Focuses on sleeps importance for cognitive function and memory formation.
What are the three stages of sleep?
Stage N1, N2 and N3.
What is Stage N1?
Transitional phase occurring between wakefulness and sleep, Rates of respiration and heartbeat slow down.
what is stage N2?
The body goes into deep relaxation
what is stage N3?
Known as slow-wave sleep. Respiration and heart rate slow down further.
What is REM sleep?
Rapid eye movements, Dreams happen.
Two types of sleep apnea?
Obstructive and central
What is obstructive sleep apnea?
– airway becomes blocked and air is prevented from entering the lungs.
what is central obstructive sleep apnea?
CNS fails to initiate breaths.
