Medoc PATHWAY - Figure 40: Program Menu - Limits; Limits; Table 17: Program Parameters

Pathway Technical Reference Manual
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Parameter
Description
Search Rate
(°C/sec)
Defines the temperature change rate during the search period.
Duration time (sec)
Defines the duration of the search period. Valid range: 1 to 600
Number of Trials
The number of trials per sequence. Valid range: 1 to 100
ISI Min (sec)
Minimum Inter-Stimulus-Interval (ISI). Valid range: 0 to 600 (sec)
ISI Max (sec)
Maximum Inter-Stimulus-Interval (ISI). Valid range: 0 to 600 (sec).
Actual ISI will be randomized between min and max values.
Standard events
Different evens which can be indicated during the test via TTL or
Sound. See section7.8
Temperature events
Indicate different temperature points via TTL or Sound. See
section 7.9
7.7.4 Limits
In this method, the system generates a number of stimuli of continuously changing intensity.
With each stimulus, when the subject perceives a predefined sensation, he/she manually stops
the stimulus. For an explanation of the method, refer to section 2.8.4, page 36.
Figure 40: Program Menu – Limits
The table below describes the program parameters available for Limits method:
Table 17: Program Parameters
Parameter
Description
Modality
Defines the direction of stimuli: temperature will decrease for Cold
Sensation (CS) and Cold Pain (CP), and increase for Warm Sensation
(WS) and Hot Pain (HP).