Avtor/Urednik		Mušič, Mark
Naslov		"Vpliv" zaznave toplotnih dražljajev na refleksno aktivacijo simpatika med lokalnim hlajenjem
Tip		monografija
Kraj izdaje		Ljubljana
Založnik		Medicinska fakulteta
Leto izdaje		2005
Obseg		str. 67
Jezik		slo
Abstrakt		Introduction: Humans perceive their thermal environment and respond to thermal stimuli with various intensities. Quantitatively-measured thermal perceptions (cold and warmth perception, cold and warmth pain perception) showed a normal distribution of thermal sensations in the human population. Some parts of the human body showed greater sensitivity to thermal stimuli than others, and there were no differences between the left and right sides of the body. Women showed greater sensitivity to thermal perception. The human body responds to environmental temperature changes with a thermoregulatory mechanism. Many researchers use a skin cold pressure test as a very useful autonomic nervous system activator. Sympathetic activation elicits a momentary skin microcirculatory vasoconstrictor response, but on the other hand it can cause changes in blood pressure and heart frequency. Previous studies have shown that activation of the sympathetic system correlates with individual perception of pain (cold pain) and maximal perception of cold sensation. Perceptions of cold stimuli were measured with visual analogue scales. In our review of the literature we found no studies comparing quantitatively-measured thermal (cold) sensations and parameters of reflex sympathetic activation. Aim: The conclusions of previous studies support the hypothesis that better perception of cold stimuli is associated with stronger response to local cooling. We expect that our study will show a correlation between quantitatively-measured perception of cold stimuli and parameters of reflex sympathetic activation during local cooling. We expect to find a statistically significant correlation at the peripheral (skin microcirculation) and central (blood pressure and heart frequency) levels. (Abstract truncated at 2000 characters)
Deskriptorji		SYMPATHETIC NERVOUS SYSTEM SENSATION COLD PAIN SENSORY THRESHOLDS SKIN LASER-DOPPLER FLOWMETRY BLOOD PRESSURE HEART RATE