28.6: Key Terms
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- alpha wave
- a fast wave as seen on an EEG, associated with the first part of falling asleep
- anxiolytic
- a type of drug that reduces anxiety
- beta amyloid
- a peptide implicated in development of Alzheimer disease
- biphasic sleep pattern
- a sleep pattern with two sleep sessions per day
- cataplexy
- muscle weakness
- circadian rhythm
- the biological rhythm associated with metabolism, temperature, sleep, and wakefulness
- delta wave
- EEG brain wave that is slower with higher amplitude
- dyslipidemia
- abnormal blood lipids
- electroencephalogram (EEG)
- a linear tracing of the electricity of brain waves
- enuresis
- urination during sleep
- glymphatic system
- a body system involved in the regulation of interstitial fluid movement and subsequent removal of waste from the brain and CSF
- hyperlipidemia
- elevated blood lipids
- hypersomnolence
- excessive feelings of fatigue and sleepiness, or episodes of sleep during normal times to be awake
- hypnogram
- a graph representing a person’s sleep architecture
- K-complex
- EEG delta wave lasting approximately one second each
- mechanism of action (MoA)
- how a particular drug works
- monophasic sleep pattern
- a sleep pattern involving one major block of time allocated for sleep
- narcolepsy
- a sleep disorder involving episodes of daytime sleep
- non-rapid eye movement (NREM)
- the three stages of sleep not characterized by eye movement
- parasomnia
- an abnormal behavior while a person is asleep
- polyphasic sleep pattern
- a sleep pattern including several sleep sessions in a twenty-four-hour period
- polysomnography
- a sleep study incorporating different physiologic monitors
- rapid eye movement (REM)
- the sleep stage characterized by the speed of eye movements and vivid, unbelievable dreams
- reticular activating system (RAS)
- a crucial neural network in the brainstem responsible for regulating arousal, attention, and consciousness
- seasonal affective disorder (SAD)
- a form of depression related to lack of light
- sleep architecture
- an individual’s sleep patterns
- sleep hygiene
- sleep habits
- sleep inertia
- slowed thought processing related to lack of sleep
- sleep log
- a written collection of sleep-related information, including hours slept daily
- sleep spindle
- a short, intermittent burst of neurological activity, seen on an EEG
- slow-wave sleep (SWS)
- a sleep stage typified by the slower delta waves seen on an EEG
- somnambulism
- sleepwalking
- tau
- a protein associated with the development of Alzheimer disease
- theta wave
- an EEG wave that is fast and has variable frequencies