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  2. Wakefulness - Wikipedia

    en.wikipedia.org/wiki/Wakefulness

    Wakefulness is a daily recurring brain state and state of consciousness in which an individual is conscious and engages in coherent cognitive and behavioral responses to the external world. Being awake is the opposite of being asleep , in which most external inputs to the brain are excluded from neural processing.

  3. Hypnagogia - Wikipedia

    en.wikipedia.org/wiki/Hypnagogia

    Hypnagogia is the transitional state from wakefulness to sleep, also defined as the waning state of consciousness during the onset of sleep. (Its corresponding state is hypnopompia –sleep to wakefulness.) Mental phenomena that may occur during this "threshold consciousness" include hallucinations, lucid dreaming, and sleep paralysis.

  4. Clouding of consciousness - Wikipedia

    en.wikipedia.org/wiki/Clouding_of_consciousness

    This system of a sort of general activation of consciousness is called "arousal" or "wakefulness". [14] It is not necessarily accompanied by drowsiness. [16] Patients may be awake (not sleepy) yet still have a clouded consciousness (disorder of wakefulness). [17] Paradoxically, affected individuals say that they are "awake but, in another way ...

  5. Category:Consciousness - Wikipedia

    en.wikipedia.org/wiki/Category:Consciousness

    Consciousness is the quality or state of being aware of an external object or something within oneself. It has been defined as: subjectivity , awareness , sentience , the ability to experience or to feel , wakefulness, having a sense of selfhood , and the executive control system of the mind.

  6. Consciousness - Wikipedia

    en.wikipedia.org/wiki/Consciousness

    Modern dictionary definitions of the word consciousness evolved over several centuries and reflect a range of seemingly related meanings, with some differences that have been controversial, such as the distinction between inward awareness and perception of the physical world, or the distinction between conscious and unconscious, or the notion ...

  7. Daydreaming - Wikipedia

    en.wikipedia.org/wiki/Daydreaming

    Daydreaming is a stream of consciousness that detaches from current external tasks when one's attention becomes focused on a more personal and internal direction. Various names of this phenomenon exist, including mind-wandering , fantasies, and spontaneous thoughts.

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  9. Alertness - Wikipedia

    en.wikipedia.org/wiki/Alertness

    Similarly inhibition or reduction of mechanisms causing sleepiness, or drowsiness such as certain cytokines and adenosine (as with caffeine) may also increase perceived wakefulness and thus alertness. [ambiguous] [2] [3] [4] Wakefulness depends on the coordinated effort of multiple brain areas. These are affected by neurotransmitters and other ...