Table 4.

Performance in the object displacement task

Lighting conditionTime of dayRatio scorea
MeanSEM
Condition 1: LDZT 060.2080.065
ZT 180.0610.109
Condition 2: rLLCT 060.4140.063
CT 180.2410.087
  • Recognition memory performance was expressed as a ratio score, (NF)/(N + F), where N and F represent objects at novel versus familiar spatial positions. The higher the score is above zero, the better is the spatial recognition performance.

  • aSignificant main effect of time of day (p < 0.025).