temporal summation


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temporal summation

The build-up of an electrical charge on a membrane as a result of more than one small successive inputs.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
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Due to the temporal summation effect [6], sequential and repeated playback results in overlapped images being perceived as the flickering single original image I with some distortion on the PPB portions.
Previous studies have found a significant relationship between PCS and temporal summation pain in healthy subjects [32] and in participants with chronic low back pain [21] and a more recent study found that catastrophizing mediated the relationship between dispositional optimism and temporal summation in a sample of participants with knee osteoarthritis [23].
Interestingly, after controlling for these gender role differences and anxiety, the previous sex differences in temporal summation, a proxy measure of central sensitization, were attenuated [29].
It is hypothesized that application of this type of low frequency vibration to patients with fibromyalgia may reduce pain, reduce central excitability by restoring diffuse noxious inhibitory controls (DNIC), and reduce temporal summation and that this decrease in pain and/or central excitability will improve function and mobility.

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