biological clock.
Consciousness vs. Unconsciousness
- Consciousness
- Definition: Refers to our awareness of ourselves and our environment.
- It encompasses thoughts, sensations, perceptions, and memories.
- Subjective experience of being awake and aware.
- Unconsciousness
- Definition: A state of being unaware of oneself and one's surroundings.
- Ranges from natural states like sleep to induced states like anesthesia.
- Also includes pathological states such as a coma.
- Importance: Understanding the distinction between consciousness and unconsciousness is fundamental to psychology and biology.
Circadian Rhythm
- Definition: The body's natural, internal process regulating the sleep-wake cycle over a 24-hour period.