Facilitation


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Facilitation

 

in physiology, the intensification of a response to a simultaneous or preliminary stimulation of different parts of the same or another area or the sensory nerve fibers proceeding from the receptor. In facilitation based on an increase in excitability, a single stimulation increases the efficacy of a subsequent stimulation by paving the way for it. One stimulation thus facilitates another (hence the origin of the term). As a result of facilitation, subliminal stimulation, which by itself does not elicit a response, begins to have an effect when excitation develops in new focal centers. For example, the weak stimulation of the skin of a rabbit, insufficient to elicit a motor response, provokes a reflex upon the simultaneous electrical stimulation of the motor center of the brain’s cortex, which also does not produce an effect by itself. The concept of facilitation in the central nervous system was introduced in 1882 by the German physiologist S. Exner, who called the phenomenon Bahnung (German; “facilitation”). I. P. Pavlov noted that facilitation contributes to the formation of conditioned reflexes. If a temporary connection is established, facilitation occurs between two foci of excitation in the cortex of the cerebral hemispheres as a reaction to conditioned and unconditioned stimuli.

References in periodicals archive ?
PESHAWAR -- Grievance Commissioner, Hafiz Ehsan on Thursday convened a high level meeting and reviewed the performance of one-window facilitation desk established at Bacha Khan Airport for the assistance of overseas Pakistanis.
Deliver the Design Engagement and Facilitation Programme.
The Skilled Facilitator is an invaluable text and should be required reading for all who aspire to excellence in facilitation.
The two Chinese men and a woman have been charged with various offences including manslaughter, conspiracy to commit facilitation and conspiracy to pervert the course of justice.
Two men and a woman, all from the Liverpool area, appeared at Lancaster Magistrates' Court to face a variety of charges including manslaughter, conspiracy to commit facilitation and conspiracy to pervert the course of justice.
Furthermore, the process of assisting adventure groups in developing obtainable individual and group goals has become a noted cornerstone of effective adventure facilitation (Gass and Priest 1997).
Alcoholics exhibiting few or no signs of psychological disturbance achieved abstinence through 12-step facilitation therapy more often than those with pronounced mental symptoms.
The Facilitation Skills Inventory is your ideal starting point for gauging, better understanding, and honing your facilitation skills.
He said that pick and drop facility was being provided to farmers from their respective villages to facilitation centre while sitting facility had also been provided.
In the meeting, Ahsaan has given a detail briefing and said that the establishment of 4th One Window Facilitation Desk will facilitate the overseas Pakistanis.
With tariff reductions already implemented in most trading nations, in the context of multilateral and regional trade agreements, prospects for further reductions in trade transaction costs and hence increased competitiveness now rest largely upon transport and trade facilitation reforms.
Summary: The United Arab Emirates represented by the General Civil Aviation Authority (GC) has been elected as one of the Facilitation Panel Members by the International Civil Aviation Organization (ICAO) headquarters in Montreal, Canada.