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During normal sinus rhythm, these signals pass through only one pathway, known as the fast pathway. The fast pathway conducts signals quickly but has a longer rest period before it can send another signal. However, in people with PSVT caused by atrioventricular nodal reentry, both the fast and the slow pathways are activated. [9]
Supraventricular tachycardia (SVT) is an umbrella term for fast heart rhythms arising from the upper part of the heart. [2] This is in contrast to the other group of fast heart rhythms – ventricular tachycardia, which start within the lower chambers of the heart. [2]
Time perception is handled by a highly distributed system involving the cerebral cortex, cerebellum and basal ganglia. [16] One particular component, the suprachiasmatic nucleus, is responsible for the circadian (or daily) rhythm, while other cell clusters appear to be capable of shorter timekeeping. There is some evidence that very short ...
In psychology, the transposed letter effect is a test of how a word is processed when two letters within the word are switched.. The phenomenon takes place when two letters in a word (typically called a base word) switch positions to create a new string of letters that form a new, non-word (typically called a transposed letter non-word or TL non-word).
This was a phenomenon that was somewhat known at the time, but no one was able to pinpoint why it was occurring or had labeled it. He again did the same experiment with the sentence: '“It was found that the wheel was on the axle.”' He replaced the 'wh' sound in wheel and the same results were found. All people tested wrote down wheel.
Multiple time dimensions appear to allow the breaking or re-ordering of cause-and-effect in the flow of any one dimension of time. This and conceptual difficulties with multiple physical time dimensions have been raised in modern analytic philosophy. [9]
Furthermore, if the two events cannot be causally connected, depending on the state of motion, the crash in London may appear to occur first in a given frame, and the New York crash may appear to occur first in another. However, if the events can be causally connected, precedence order is preserved in all frames of reference. [1]
Repetition compulsion is the unconscious tendency of a person to repeat a traumatic event or its circumstances. This may take the form of symbolically or literally re-enacting the event, or putting oneself in situations where the event is likely to occur again.