Consciousness Quizlet Import

Consciousness

The subjective awareness of internal and external events

Attention

The internal process used to set priorities for mental functioning

Circadian Rhythm

Physical and mental changes that follow a 24-hr cycle

Endocrine System

Regulates hormones to feel energized during the day and produces less energy-stimulating hormones around bedtime

Digestive System

Creates proteins at times that correspond with mealtimes

Sleep-Wake Cycle

One of the most important circadian rhythms that causes alertness during the day and sleepiness at night

Melatonin

A hormone produced by the brain at night to produce a sleepy feeling

Sleep Disorder

A condition where optimal sleep is not achieved due to disturbances in the sleep cycle

REM

Rapid eye movement stage of sleep where eyes move rapidly and heart rate, respiration, and blood pressure increase

NREM

Non-Rapid Eye Movement sleep which has 3 stages

NREM-1

Falling asleep stage, lasts 5-10 minutes, easy to wake a person up during this stage

NREM-2

Stage where heart rate decreases, lasts around 20 minutes

NREM-3

Deep sleep stage, very difficult to awaken

Insomnia

Inability to sleep or stay asleep

Narcolepsy

Uncontrollably falling asleep during the day

Sleep Apnea

Pauses of breathing during sleep, episodes of snoring and periods of not breathing

SIDS

Sudden Infant Death Syndrome, where an infant stops breathing during sleep and dies

Lucid Dreaming

Type of dreaming where the dreamer can direct what happens in the dream or is aware they are dreaming

Freudian Dream Analysis

Theory that dreams are made up of parts we remember (Manifest Content) and hidden meanings (Latent Content)

Activation Synthesis Theory

Dreams are results of the brain trying to interpret the neural firings that happen during REM sleep.

Information Processing Theory

Dreams result from unconscious processing of information gathered during the day.

Drug

A substance that has a physical and/or psychological effect on the person who takes it.

Nervous System

Drugs either slow down or speed up this system resulting in an altered effect on consciousness, mood or behavior.

Depressants

Reduce arousal and stimulation by slowing the response time of neurons. Ex: alcohol.

Stimulants

Increase alertness and energy by speeding up the response time of neurons. Ex: caffeine.

Hallucinogens

Create altered perceptions by increasing production of serotonin. Ex: LSD.

Consciousness

The subjective awareness of internal and external events.

Attention

The internal process used to set priorities for mental functioning.

Cocktail Party Effect

Ability to focus on one auditory message and ignore others.

Automaticity

Fast & effortless processing that requires little or no focused attention.

Subliminal Influences

Messages presented at levels so hard to detect that they essentially bypass conscious awareness.

ADHD

Where people have trouble paying attention for long periods of time, commonly diagnosed in school aged children. It can affect the quality of their school work. The children are often hyperactive, impulsive, they squirm and fidget excessively. ]

Circadian Rhythms

Biological and other source activity that rise and fall in accordance within a 24-hr cycle.

Biological Clocks

Brain structures that schedule rhythmic variations in bodily functions by triggering them at the appropriate time.

Jet Lag

When your body rhythms are thrown off (often by travelling to a different timezone).

Dyssomnias

Most common type of sleep disorder.

Insomnia

Where person has difficulty starting and maintaining sleep. About 30% population suffers from this.

Hypersomnia

Problem where person gets too much sleep. Always sleeping. Cause: unknown.

Sleep Apnea

Person repeatedly stops breathing throughout the night. The episodes usually end with the affected person feeling tired during the day (b/c sleep has been interrupted).

Narcolepsy

Falling asleep all the time.

Parasomnias

Sleep disorders that include nightmares, night terrors, and sleep walking.

Nightmares

Frightening anxiety-arousing dreams that occur mostly during REM sleep.

Night Terrors

Terrifying experiences where the sleeper wakes up in a panic, typically found in children and they usually grow out of it.

Sleepwalking

Sleeper gets up during sleep and wanders around and they don't realize it, also common among kids and it's believed that most will grow out of it.