Behavioral science 4.3 Flashcards
Consciousness
The level of awareness of the world in one’s own existence in the world
Alertness
State of consciousness in which we are “awake” and able to think. In the state cortisol levels tend to be higher
Beta and alpha waves
Beta waves are high frequency and occur when alert or attending to a mental task
Alpha waves are low frequency waves that occur when awake but relaxing
Sleep stage one
Exhibit Theta waves with slower frequencies higher voltage is an irregular waveform
Sleep stage two
Theta waves that include spindles and K complexes (squiggle and large jump w correction) fall more deeply asleep.
Sleep stage three and four
Slow-wave sleep
Exhibit delta waves with low frequency and high voltage
Rapid eye movement sleep
Occurring between sleep stages periods where the body is in a physical sense of wakefulness, but the mind is not. This is where most dreams occur.
Circadian rhythm is driven by
Melatonin and cortisol
Cortisol is produced in the adrenal cortex and a signaled for by corticotropin releasing factors and adrenocorticotropic hormone
Activation synthesis theory of dreaming
Dreams are caused by widespread random activation of neural circuits
Problem solving dream theory
Dreams are a way of solving problems without realistic barriers or issues
Cognitive process dream theory
Dreams are merely the counter part of stream of conscious.
Dyssomnia’s and parasomnias
Dyssomnia’s refer to disorders that make it difficult to sleep. Parasomnias refer to abnormal movements or behaviors during sleep
Narcolepsy
Lack of voluntary control over the onset of sleep. Cataplexy is similar and is the sudden loss of muscle controls and intrusion of REM sleep
Sleep paralysis
Sensation of being unable to move despite being awake
Hypnagogic hallucinations
Hallucinations when going to sleep or waking
