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. 2015 Oct 19;5:15185. doi: 10.1038/srep15185

Figure 6. Changes in the 10% fastest reaction times (ms) in the Psychomotor Vigilance Test (PVT) during and after light exposure for HON patients (left side) and GL patients (right side) and their controls.

Figure 6

The 10% fastest reaction times (ms) were similar for HON patients and controls (relative to pre-light exposure), but GL patients were significantly slower than their controls in response to bright LE (N = 11 in each group except for GL patients: N = 8; filled circles = patients; open circles = controls; *<0.05). Grey bars indicate constant bright light exposure (means + or – SEM).