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Psychology
Chapter 3
| Question/Term | Answer/Definition |
|---|---|
| Consciousness | Persons subjective experience of external world and internal mental activity -based on levels of awareness |
| Conscious | Aware of thoughts and stimuli around you |
| Unconscious | Lack of awareness of thoughts and stimuli around you |
| Altered states of conscious can be caused by | Disease, brain injury (concussion), occurring normally (falling asleep/daydreaming), or self induced (hypnosis/coma) |
| Change blindness | Failure for people to detect change in a visual scene |
| Unresponsive wakefulness syndrome | coma that last for more than a month |
| Split brain patient | Corpus callosum is split and the two hemispheres of the brain cant communicate |
| Circadian Rhythm | regulation of biological cycles into regular daily patterns Ex: sleep wake cycle |
| Suprachiasmatic Nucleus | Regulates sleep/wake cycle |
| Sleep waves measurement | Frequency- number of waves Amplitude- Height of waves |
| Sleep stages | Waking- Beta waves Relaxed- Alpha waves Stage 1: Theta waves Stage 2: K complexes (large waves) & sleep spindles (burst of waves) Stage 3&4: SWS (slow wave sleep) Delta waves |
| REM | Rapid eye movement. Paralysis of the body- usually dreaming Typically we cycle through stage 1-REM about 4-5 times. Each time REM increases |
| Dreams in REM and nREM | REM: Brain is more active and dreams are more bizarre nREM: Brain is less active and dreams are usually about daily tasks |
| Freud Theory of dreams | You dream about what you unconsciously want |
| Activation Synthesis Theory | Dreams are the result of the brains attempt to make sure of random brain activity |
| Benefits of sleep | Restorative theory Circadian Rhythm theory Consolidation theory |
| Restorative Theory | Sleep lets body and brain restore themselves |
| Circadian Rhythm theory | Sleep enveloped to preserve us from harm |
| Consolidation Theory | Sleep involves strengthening neural connections from learning |
| Insomnia | Repeated inability to sleep |
| Pseudo insomnia | Dream that they are not sleeping |
| Sleep Apnea | Periods of not sleeping due to throat closing |
| Narcolepsy | Sleeping during normal waking hours |
| REM behavior Disorder | Paralysis in REM is disabled (acting out dreams) |
| Sleep walking | Walking while sleeping Happens during slow wave sleep |
| Hypnosis | Respond to suggestions, experience changes in memory perception and/or voluntary actions |
| Meditation | Intense contemplation leads to a deep sense of calmness that has been described as an altered state of conscious |
| Psychoactive Drugs | Mind altering substances that change the brains neurochemistry by activating neurotransmitter system (stimulants, depressants, opioids, hallucinogens) |
| Stimulants | Increase behavior and mental activity |
| Depressants | Decrease behavior and mental activity |
| Opioids | Reduce pain and bring pleasure |
| Hallucinogens | Change perceptions and thoughts thoughts and emotions |
Created by:
VM1104
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