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. Author manuscript; available in PMC: 2016 Sep 28.
Published in final edited form as: Neuropsychologia. 2015 Apr 28;73:60–69. doi: 10.1016/j.neuropsychologia.2015.04.016

Table 2.

Results of psychophysical tasks (mean values and standard deviation) for each group (preterm and control samples). In bracket, the number of subjects that complete the task.

Time
 Math
 Attention
Visual time Audio time Audio-visual time Worst time Number line Numerosity comparison Visual sustained attention
Preterms
Mean 252.83 (n=26) 259.39 (n=26) 181.24 (n=26) 358.79 (n=26) 0.4702 (n=25) 0.3199 (n=25) 1.17 (n=24)
SD (159.08) (174.08) (132.45) (156.12) (0.159) (0.083) (0.54)
Controls
Mean 179.92 (n=26) 125.65 (n=26) 125.45 (n=26) 196.37 (n=26) 0.4028 (n=25) 0.2922 (n=25) 1.72 (n=25)
SD (92.27) (93.07) (65.47) (91.33) (0.104) (0.053) (0.32)