Search results
Results from the WOW.Com Content Network
Small, bilateral lesions in many of these nuclei cause a global loss of consciousness. [ 25 ] Blood-oxygen-level-dependent fMRI have demonstrated normal patterns of brain activity in a patient in a vegetative state following a severe traumatic brain injury when asked to imagine playing tennis or visiting rooms in his/her house. [ 26 ]
The duration of PTA in brain-injured patients is a useful predictor of the expected long-term effects of the injury, [36] along with the duration of loss of consciousness(LOC), and scores on the Glasgow Coma Scale (GCS), which measures degrees of consciousness, with higher scores indicating higher levels of functioning. A score of three ...
Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
Concentrating on a task, one aspect of flow. Flow in positive psychology, also known colloquially as being in the zone or locked in, is the mental state in which a person performing some activity is fully immersed in a feeling of energized focus, full involvement, and enjoyment in the process of the activity.
Zimbardo postulated that these factors lead to "loss of identity or loss of self-consciousness", which result in unresponsiveness to external stimuli by the individual and the loss of "cognitive control over motivations and emotions." Consequently, individuals reduce their compliance with good and bad sanctions held by influences outside the group.
A choke-out is a hand-to-hand combat tactic involving the use of a chokehold to cause syncope, or temporary loss of consciousness, at which point the choke is released.. Common chokeholds in grappling used to accomplish a choke-out include the rear naked choke, arm triangle, triangle choke, and the guil
The loss of consciousness is believed to be associated with a “high” or feeling of euphoria. ... The brain can be deprived of oxygen with as little as 4.4 pounds of pressure and can cause loss ...
[4] [49] This is because low oxygen levels characterize life-threatening situations and also the apparent similarities between NDEs and G-force-induced loss of consciousness episodes. These episodes are observed with fighter pilots experiencing very rapid and intense acceleration that results in lack of sufficient blood supply to the brain.