Psychology Chapter on Consciousness
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Psychology Chapter on Consciousness

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Questions and Answers

What are the different meanings of consciousness?

Sensory awareness of the world outside, direct inner awareness of one's thoughts and feelings, personal unity, and the waking state.

What is selective attention?

The focus of one's consciousness on a particular stimulus.

What does direct inner awareness refer to?

Knowledge of one's own thoughts, feelings, and memories without the use of sensory organs.

What is preconscious material in psychodynamic theory?

<p>Material that is not in awareness but can be brought into awareness by focusing one's attention.</p> Signup and view all the answers

What does unconscious mean in psychodynamic theory?

<p>Ideas and feelings that are not available to awareness; also defined as being without consciousness.</p> Signup and view all the answers

What is repression in psychodynamic theory?

<p>The automatic ejection of anxiety-evoking ideas, impulses, or images from awareness.</p> Signup and view all the answers

Define nonconscious.

<p>Descriptive of bodily processes, such as growing hair, of which we cannot become conscious.</p> Signup and view all the answers

What is suppression?

<p>The deliberate placing of certain ideas, impulses, or images out of awareness.</p> Signup and view all the answers

Define circadian rhythm.

<p>A cycle connected with the 24-hour period of the earth's rotation.</p> Signup and view all the answers

What are alpha waves?

<p>Rapid low-amplitude brain waves linked to feelings of relaxation.</p> Signup and view all the answers

What does NREM sleep refer to?

<p>The first four stages of sleep.</p> Signup and view all the answers

Describe REM sleep.

<p>A stage of sleep characterized by rapid eye movements, which have been linked to dreaming.</p> Signup and view all the answers

What are theta waves?

<p>Slow brain waves produced during the hypnagogic state.</p> Signup and view all the answers

What are delta waves?

<p>Strong, slow brain waves usually emitted during stage 4 sleep.</p> Signup and view all the answers

What is the continuity hypothesis regarding dreams?

<p>The view that the content of dreams tends to be consistent with previous cognitive activity.</p> Signup and view all the answers

What does the activation-synthesis model propose about dreams?

<p>The view that dreams reflect activation of cognitive activity by the reticular formation and synthesis of this activity into a pattern.</p> Signup and view all the answers

Define narcolepsy.

<p>A 'sleep attack' in which a person falls asleep suddenly and irresistibly.</p> Signup and view all the answers

What is sleep apnea?

<p>Temporary absence or cessation of breathing while sleeping.</p> Signup and view all the answers

What are sleep terrors?

<p>Frightening, dream-like experiences that occur during the deepest stage of NREM sleep.</p> Signup and view all the answers

Define hypnosis.

<p>An altered state of consciousness in which people are highly suggestible and behave as though they are in a trance.</p> Signup and view all the answers

What is role theory in hypnosis?

<p>A theory that explains hypnotic events in terms of the person's ability to act as though he or she were hypnotized.</p> Signup and view all the answers

What does response set theory contribute to hypnosis?

<p>The view that response expectancies play a key role in the production of the experiences suggested by the hypnotist.</p> Signup and view all the answers

What is Transcendental Meditation (TM)?

<p>A simplified form of meditation used as a method for coping with stress.</p> Signup and view all the answers

Define mindfulness meditation (MM).

<p>A form of meditation that provides techniques to focus on the present moment rather than ruminate about problems.</p> Signup and view all the answers

What is biofeedback?

<p>A system that provides information about a bodily function to an organism.</p> Signup and view all the answers

What is biofeedback training (BFT)?

<p>The systematic feeding of information back to an organism about a bodily function so that the organism can gain control of that function.</p> Signup and view all the answers

What does an electromyograph (EMG) measure?

<p>Muscle tension.</p> Signup and view all the answers

What are psychoactive substances?

<p>Drugs that have psychological effects such as stimulation or distortion of perceptions.</p> Signup and view all the answers

What is a depressant?

<p>A drug that lowers the rate of activity of the nervous system.</p> Signup and view all the answers

Define stimulant.

<p>A drug that increases activity of the nervous system.</p> Signup and view all the answers

What characterizes substance use disorder?

<p>Loss of control over usage, social impairment, risky use, and tolerance and withdrawal symptoms.</p> Signup and view all the answers

What is tolerance?

<p>Habituation to a drug, resulting in the need for increasingly higher doses to achieve similar effects.</p> Signup and view all the answers

What is abstinence syndrome?

<p>A characteristic cluster of withdrawal symptoms that results from sudden decrease in an addictive drug's level of usage.</p> Signup and view all the answers

What effects do depressant drugs generally have?

<p>They act by slowing the activity of the central nervous system.</p> Signup and view all the answers

Define binge drinking.

<p>Having five or more drinks in a row for a male, or four or more for a female.</p> Signup and view all the answers

What are opiates?

<p>A group of narcotics derived from the opium poppy that provide a euphoric rush and depress the nervous system.</p> Signup and view all the answers

What are narcotics?

<p>Drugs used to relieve pain and induce sleep, usually reserved for opiates.</p> Signup and view all the answers

Define opioids.

<p>Chemicals that act on opiate receptors but are not derived from the opium poppy.</p> Signup and view all the answers

What is a barbiturate?

<p>An addictive depressant.</p> Signup and view all the answers

Study Notes

Consciousness and its Meanings

  • Encompasses sensory awareness of the external world, direct awareness of thoughts and feelings, personal unity, and the waking state.
  • Selective attention involves focusing consciousness on specific stimuli while filtering out others.
  • Direct inner awareness allows knowledge of thoughts and feelings without sensory input.

Psychodynamic Theory Concepts

  • Preconscious refers to thoughts not currently in awareness but can be accessed with attention.
  • Unconscious contains ideas and feelings inaccessible to awareness; understanding happens only through deeper exploration.
  • Repression is the automatic removal of anxiety-inducing thoughts from consciousness.
  • Nonconscious describes bodily processes like hair growth that occur without awareness.

Sleep and Brain Waves

  • Circadian rhythm dictates a biological cycle synchronized with Earth's 24-hour rotation.
  • Alpha waves indicate relaxation with rapid, low-amplitude brain activity.
  • Non-REM (NREM) sleep encompasses the first four stages, vital for restorative functions.
  • REM sleep is marked by rapid eye movements and is associated with dreaming.
  • Theta waves are produced during the hypnagogic state, while delta waves are present in deep sleep stages.

Dream Theories

  • Continuity hypothesis posits that dreams reflect ongoing cognitive activity.
  • Activation-synthesis model suggests dreams arise from brain activity and are synthesized into coherent patterns.

Sleep Disorders

  • Narcolepsy is characterized by sudden sleep attacks that overwhelm the individual.
  • Sleep apnea involves temporary breathing cessation during sleep.
  • Sleep terrors occur in deep NREM sleep, while nightmares happen in REM sleep.

Altered States of Consciousness

  • Hypnosis induces a trance-like state marked by heightened suggestibility.
  • Role theory explains hypnosis as performing roles associated with being hypnotized.
  • Response set theory emphasizes the role of expectations in hypnotic experiences.

Meditation Techniques

  • Transcendental Meditation (TM) is a simplified technique for stress relief introduced by Maharishi Mahesh Yogi.
  • Mindfulness Meditation (MM) helps individuals remain present rather than focus on anxieties.

Biofeedback

  • Biofeedback provides real-time information about bodily functions, enabling voluntary control over automatic processes like heart rate.
  • Biofeedback training systematically helps individuals gain awareness and control over involuntary functions.

Psychoactive Substances

  • Psychoactive drugs affect perception and cognition, ranging from stimulants to depressants.
  • Depressants reduce nervous system activity, while stimulants increase it.

Substance Use Disorders

  • Characterized by loss of control over substance use, social impairment, risk-taking behavior, and withdrawal symptoms.
  • Tolerance develops as the body gets used to a drug, necessitating larger doses for similar effects.

Specific Drug Effects

  • Binge drinking, classified as five or more drinks in a row (men) or four (women), is linked to aggressive behavior and poor life outcomes.
  • Opiates are narcotics from the opium poppy that induce euphoria and depress the nervous system.
  • Narcotics relieve pain and generally promote sleep; opioids are synthetic substances acting on similar receptors.
  • Barbiturates are addictive depressants affecting central nervous system activity and behavior.

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Description

Dive into the intricate details of consciousness, exploring sensory awareness, selective attention, and the depths of psychodynamic theory. Understand the roles of the preconscious, unconscious, and nonconscious levels of awareness. This quiz will also touch upon sleep cycles and brain wave activity as related to consciousness.

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