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NREM sleep itself is divided into multiple stages – N1, N2 and N3. Sleep proceeds in 90-minute cycles of REM and NREM, the order normally being N1 → N2 → N3 → N2 → REM. As humans fall asleep, body activity slows down. Body temperature, heart rate, breathing rate, and energy use all decrease. Brain waves slow down.
A basic idea in Dianetics is that the mind consists of two parts: the "analytical mind" and the "reactive mind". The "reactive mind", the mind which operates when a person is physically unconscious, acts as a record of shock, trauma, pain, and otherwise harmful memories. Experiences such as these, stored in the "reactive mind" are dubbed "engrams".
When sleep-deprived, PCC activity decreases, impairing selective attention. Subjects were exposed to an attention-shifting task involving spatially informative, misleading and uninformative cues preceding the stimuli. When sleep-deprived, subjects showed increased activation in the left intraparietal sulcus. This region is activated when ...
The cognitive shuffle is based on Beaudoin’s somnolent information processing theory. [5] [13] The somnolent information processing theory postulates the existence of a sleep onset control system that evolved to ensure that falling asleep tends to happen when it is evolutionarily opportune (safe, timely) to fall asleep. [14]
As a result, some universities use the terms "analytical reasoning" and "analytical thinking" to market themselves. [5] [6] One such university defines it as "A person who can use logic and critical thinking to analyze a situation." [7] Other campuses go deeper on the topic. [8] They may also correlate this with other future careers, such as ...
Racing thoughts refers to the rapid thought patterns that often occur in manic, hypomanic, or mixed episodes.While racing thoughts are most commonly described in people with bipolar disorder and sleep apnea, they are also common with anxiety disorders, obsessive–compulsive disorder (OCD), and other psychiatric disorders such as attention deficit hyperactivity disorder (ADHD).
These include rolling down the window, turning up the radio, having trouble keeping eyes open, head-nodding, drifting out of their lane, and daydreaming. At particular risk are lone drivers between midnight and 6:00 a.m. [48] Sleep deprivation can negatively impact overall performance and has led to major fatal accidents.
When the analytic mind is unconscious, the reactive mind physically records memories called "engrams". As a result of all stimuli it receives, the Reactive Mind is a mass of engrams, feeding the otherwise perfect Analytical Mind incorrect data. [24] Misinterpretation of these Reactive Mind engrams by the analytical mind causes damage later in life.