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The hypnagogic state can provide insight into a problem, the best-known example being August Kekulé’s realization that the structure of benzene was a closed ring while half-asleep in front of a fire and seeing molecules forming into snakes, one of which formed an ourobouros. [22]
Silberer's contention was that the hypnagogic state is autosymbolic, meaning that the images and symbols perceived in the hypnagogic state are representative (i.e. symbolic) of the physical or mental state of the perceiver. He concluded that two "antagonistic elements" were required for autosymbolic phenomena to manifest: drowsiness and an ...
Hypnopompia (also known as hypnopompic state) is the state of consciousness leading out of sleep, a term coined by the psychical researcher Frederic Myers.Its mirror is the hypnagogic state at sleep onset; though often conflated, the two states are not identical and have a different phenomenological character.
Perhaps it and the following sentence should read as something like "Hypnagogia [etymology] is the transitional state between wakefulness and sleep (i.e. the onset of sleep); Alfred Maury originally coined the adjective "hypnagogic" to describe this state."
In the philosophy of mind, neuroscience, and cognitive science, a mental image is an experience that, on most occasions, significantly resembles the experience of "perceiving" some object, event, or scene but occurs when the relevant object, event, or scene is not actually present to the senses.
A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.
Freud believed that by uncovering the meaning of one's hidden motivations and deeper ideas, an individual could successfully understand his or her internal struggles, and thus in psychoanalysis the manifest content of the dream is analyzed in order to understand the nature of the latent content.
[10]: §9.1–2 263–282 (PGO waves have long been measured directly in cats but not in humans because of constraints on experimentation; however, comparable effects have been observed in humans during "phasic" events which occur during REM sleep, and the existence of similar PGO waves is thus inferred.) [15] These waves occur in clusters ...