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Consciousness, Sleep
Consciousness, Sleep, and Brain Functions
| Question | Answer |
|---|---|
| What are the two key aspects of consciousness? | Arousal (level of wakefulness) and awareness (recognizing something). |
| What is selective attention? | The act of focusing one's awareness on a particular aspect of experience, excluding everything else. |
| What is the global workspace hypothesis? | The theory that conscious awareness arises from synchronized activity across various brain regions. |
| What characterizes REM sleep? | Rapid eye movements, brain activity similar to wakefulness, faster heart and breathing rates, and dreams. |
| What are the functions of sleep? | Sleep helps with learning and memory, constructs and restores the body, and boosts immune function. |
| How does sleep affect memory? | Sleep strengthens and protects newly formed memories, improving recall compared to those who stay awake. |
| What is focused attention meditation? | A type of meditation where the meditator focuses on a specific target like the breath or a word. |
| What is consciousness? | The moment-by-moment awareness of the external environment and one's own thoughts, feelings, and behaviors. |
| What is introspection? | The process of examining one's own internal thoughts and feelings, often involving self-report. |
| What is inattentional blindness? | A failure to perceive information outside the focus of one's attention, which can lead to accidents. |
| What is change blindness? | A form of inattentional blindness where a person fails to notice changes in a visual stimulus. |
| What is the unconscious mind according to Freud? | A component of the mind that is often in conflict with the conscious mind, influencing behavior without awareness. |
| What is cognitive unconscious? | Mental processes that support everyday functioning without conscious awareness or control. |
| What is subliminal perception? | Perception that occurs without conscious awareness, where behavior suggests awareness of stimuli not consciously reported. |
| What is meditation? | A set of practices used to train a person's ability to control attention, awareness, and sometimes emotions. |
| What is circadian rhythm? | A regular, 24-hour pattern of bodily arousal, also known as the biological clock. |
| What role does the suprachiasmatic nucleus (SCN) play | It helps regulate sleep and alertness, stimulated by light and controlling the internal biological clock. |
| What are the stages of sleep identified by EEG? | Five stages, including light sleep (Stage 1), deeper sleep (Stages 3 and 4), and REM sleep. |
| What is the impact of lack of sleep on health? | It is directly related to a decline in health and cognitive functioning. |
| What is monitoring meditation | A type of meditation where the meditator monitors the contents of experience from moment to moment. |
| What happens during Stage 1 of sleep? | Considered shallow sleep, easy to wake from, with awareness of the outside world and theta waves produced. |
| What characterizes Stages 3 and 4 of sleep? | Deeper stages of sleep characterized by delta waves, leading to feelings of disorientation upon waking. |
| What is the relationship between sleep duration and health? | Longer sleep duration is associated with a longer lifespan and reduced health problems. |
Created by:
skyfalls
Popular Psychology sets