Data Classification

In: Computers and Technology

Submitted By datillboi
Words 1550
Pages 7
Test 2 Notes (Ch. 5,6,7,10)

Ch. 5

consciousness- an individuals awareness of external events and internal sensations under a condition of arousal

meta cognition- thinking about thinking.

The 5 levels of consciousness: Higher-level- highly focused; selective attention Lower-level- automatic processes; little attention, daydreaming Altered States- trauma, drugs, fear, fatigue, meditation, prayer

biorhythms- are periodic physiological fluctuations in the body.

Circadian rhythms- daily behavioral or physiological cycles (exs: sleep/wake, body temp, blood sugar, and blood pressure).

Why we need sleep: For physical restoration, adaptation, growth, and memory. What it does for us: Sleep rests the body and mind.

The effects of chronic sleep deprivation: Have trouble paying attention to tasks and solving problems, decreases brain activity.

The 5 stages of sleep: Stage 1: drowsy sleep; myoclanic jerk; (theta waves) Stage 2: Muscle activity decreases Stage 3 & 4: delta waves; deep sleep Stage 5: (REM) dreaming occurs (Rapid Eye Movement)

Major sleep disorders: insomnia- inability to sleep Nightmares- occur during REM Night Terrors- occur in kids, during stage 4 Narcolepsy- sudden urge to sleep Sleep Apnea- stop breathing during sleep

Psychoactive drugs- act on the nervous system to alter states of consciousness, modify perceptions and change moods.

Tolerance- the need to take increasing amounts of a drug to get the same effect

physical dependence- the physiological need for a drug that causes unpleasant withdrawl (symptoms like physical pain and a craving for the drug when it is discontinued)

psychological dependence- the strong desire to repeat the use of a drug for emotional reasons.

Addiction- a physical or a psychological dependence, or both, on the drug.
Action of depressant drugs: alcohol- acts on body primarily as a depressant and slows down…...

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