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Table 3 Results of performance tests before and after office light (OL) and bright light (BL) exposure

From: Impact of a single, short morning bright light exposure on tryptophan pathways and visuo- and sensorimotor performance: a crossover study

 

OL exposure

BL exposure

p value (OL vs. BL)

Before

After

p value

Before

After

p value

Visuomotor performance

 CR [n]

55.1 ± 4.3

56.6 ± 2.6*

0.021

55.6 ± 3.0

56.7 ± 2.0*

0.033

0.739

 TRT [s]

0.63 ± 0.09

0.64 ± 0.08

0.803

0.63 ± 0.08

0.63 ± 0.08

0.975

0.959

 RTCR [s]

0.64 ± 0.09

0.64 ± 0.08

0.843

0.64 ± 0.08

0.64 ± 0.08

0.706

0.813

 RTFR [s]

2.45 ± 1.62

1.96 ± 0.37

0.223

2.16 ± 0.64

2.32 ± 1.54

0.626

0.128

 FR [n]

4.9 ± 4.3

3.4 ± 2.6*

0.021

4.4 ± 3.0

3.3 ± 2.0*

0.033

0.739

Sensorimotor performance

 Az [m/s2]

0.60 ± 0.27

0.47 ± 0.17*

0.028

0.53 ± 0.17

0.47 ± 0.18*

0.005

0.275

  1. Values represent mean values ± standard deviations
  2. OL office light, BL bright light, A z deviation from horizontal plane, CR correct reactions, TRT total reaction time, RTCR reaction time correct reactions, RTFR reaction time false reactions, FR false reactions
  3. *p < 0.05 compared to before light treatment
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