Signal Strength, Voltage Maps (IMAGE)
Caption
A) Signal strength quantified as the average global field power computed within-subjects as the standard deviation of the event-related potentials over 64 electrodes for each of the tastants and water over detection trials (left) and discrimination trials (right). Salty and sour tastants show a stronger signal than sweet and bitter tastants, but less strongly so for discrimination trials. Note that the onset of the liquid stimulation (for all tastes and for water) coincided with the presentation of the fixation cross, resulting in a clear GFP response for water as well. B) Topographical voltage maps for each taste and task represent the grand-averaged mean over a 50 ms time window, early during processing (upper row) and surrounding the decoding onset (lower row) shown in Table 2 and Figure 3C relative to water.
Credit
Wallroth & Ohla Fig. 2, <i>eNeuro</i> (2018)
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