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A microsleep is a sudden temporary episode of sleep or drowsiness which may last for a few seconds where an individual fails to respond to some arbitrary sensory input and becomes unconscious. [ 1 ] [ 2 ] Episodes of microsleep occur when an individual loses and regains awareness after a brief lapse in consciousness, often without warning, or ...
The sleep deprived performed the task much faster than those in the control condition (i.e., not sleep deprived), which initially appeared to be a positive effect. A significantly different number of errors were made, with the fatigued group performing much worse. [40]
Sleep apnea is a serious disorder that has symptoms of both insomnia and sleep deprivation, among other symptoms like excessive daytime sleepiness, abrupt awakenings, and difficulty concentrating. [131] It is a sleep related breathing disorder that can cause partial or complete obstruction of the upper airways during sleep. [132]
Sensory processing is the process that organizes and distinguishes sensation (sensory information) from one's own body and the environment, ...
Sleep debt has been tested in a number of studies through the use of a sleep onset latency test. [14] This test attempts to measure how easily a person can fall asleep. When this test is done several times during the day, it is called a multiple sleep latency test (MSLT). The subject is told to go to sleep and is awakened after determining the ...
One of the important questions in sleep research is clearly defining the sleep state. This problem arises because sleep was traditionally defined as a state of consciousness and not as a physiological state, [14] [15] thus there was no clear definition of what minimum set of events constitute sleep and distinguish it from other states of partial or no consciousness.
The neocortex then reviews and processes memories, which moves them into long-term memory. When one does not get enough sleep it makes it more difficult to learn as these neural connections are not as strong, resulting in a lower retention rate of memories. Sleep deprivation makes it harder to focus, resulting in inefficient learning. [129]
The somatosensory system, or somatic sensory system is a subset of the sensory nervous system. It has two subdivisions, one for the detection of mechanosensory information related to touch, and the other for the nociception detection of pain and temperature. [ 1 ]