Our data, showing that NAC delays the tail flick response and reduces the laser pain ratings and the amplitude of laser-evoked potentials, indicate that NAC inhibits nociceptive pathway function.
NTG, either alone or in association with DMSO, induced a hyperalgesic response at the TFT as suggested by the significant decrease in the latency of the tail flick response 4 hours after its administration when compared to control group (CT).
Atp6v0a4 −/− mice also lack a Preyer reflex (visible ear flick response to noise), an indication of hearing impairment.
The actual flick response of mice, that is, time taken in seconds to withdraw it from hot water source, was calculated and results were compared with control group.
The results of the tail flick response in mice and the calculated percentage inhibition by the constituent plant extracts of Nefang have been presented in Table 4.
The analgesic effects of EA on acute thermal pain were quantified using the TFL test, which measures the latency of the tail flick response elicited by radiant heat applied to the proximal third of the tail [ 8, 10].
Sprague-Dawley (SD) rats were divided into the responder and the non-responder groups, based on EA-induced analgesic effects in the tail flick latency (TFL) test, which measures the latency of the tail flick response elicited by radiant heat applied to the tail.
When visible end-points at the different body sites (nostril, withers, coronary band) were compared, the reaction to the stimulus at the withers was the most clear and easy to identify, as the transformation of the noxious stimulus into a visible reaction is mainly mediated via a reflex pathway (skin flick response via the spinothalamic tract) [ 23].
Males sing a species-specific calling song containing a particular song element or echeme that triggers "wing-flick" responses from nearby sexually receptive females [for acoustic terminology see 13].
We developed a theoretical framework, a related experimental paradigm and a model to analyze in psychophysical terms the "tail-flick" responses of rats to random variations of noxious radiant heat.
Some male cicadas have been demonstrated to search visually as well as acoustically for female wing-flick responses [Magicicada septendecim, 14, and Kikihia sp. unpubl. data], and the behavior is probably widespread in the Cicadettini.
