Research Article

Morning/Evening Differences in Somatosensory Inputs for Postural Control

Table 1

Oral temperature, sign cancellation test, and posturography parameters in subjects under eyes open (EO) and eyes closed (EC) conditions at 6:00 a.m. and 6:00 p.m. (mean ± SD; ).

6:00 a.m.6:00 p.m.

Oral temperature (°C)

Sign cancellation test (s.)

COP surface area (mm2)EO
EC

PL (mm)EO
EC

Mediolateral PL (mm)EO
EC

Anteroposterior PL (mm) EO
EC

LFS ratio EO
EC

Romberg’s index

COP surface area: centre-of-pressure surface area; PL: path length; anteroposterior PL: anteroposterior path length; lateral PL: lateral path length; LFS ratio: path length as a function of surface; Romberg’s index: ratio between the centre-of-pressure surface areas measured under the eyes open (EO) and eyes closed (EC) conditions. *Significant difference between 6:00 a.m. and 6:00 p.m.