Pathway Technical Reference Manual
Proprietary 79 of 190
Figure 41: Program Menu – Levels
The table below describes the program parameters available for Levels method:
Table 18: Program Parameters
Defines the direction of stimuli: temperature will decrease for
Cold Sensation (CS), and increase for Warm Sensation (WS).
Temperature from which each new stimulation sequence
begins.
ATS: 20°C – 45°C
CHEPS: 30°C – 45°C
Trigger mode:
Automatic – the stimulus will start automatically after
the defined Inter Stimulus Interval (ISI).
Manual – The operator must initiate the onset of the
stimulus after the defined ISI (using the manual
trigger, keyboard shortcut or TTL-IN)
Time Before
Sequence (sec)
The time interval before the first trial. Valid range: 0 to 600
(sec).
Destination Rate
(°C/sec)
Defines the temperature change rate from the baseline to
destination temperature. Valid range: 0.1 to 5°C/Sec
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