Table 1.
Total fixation time on visual input in each condition.
| Visual input | Condition | Control group Mean (SD) | AD group Mean (SD) |
|---|---|---|---|
| Picture | On-topic | 51955.70 (46684.06) | 28525.63 (18830.30) |
| Off-topic | 25145.24 (37429.97) | 18020.18 (17869.98) | |
| Sentence | On-topic | 929.50 (1628.17) | 4211.30 (5987.18) |
| Off-topic | 931.99 (1675.70)* | 4108.49 (5718.17)* | |
| Interlocutor’s face | On-topic | 34476.99 (37341.64) | 29880.66 (63644.09) |
| Off-topic | 49384.57 (45755.71)* | 21510.70 (32514.94)* | |
| Blank screen | 60248.32 (74996.44) | 25245.84 (24115.81) | |
| Screen | On-topic | 52885.20 (47352.45) | 32736.93 (21938.80) |
| Off-topic | 26069.16 (38781.59) | 21485.82 (23065.10) | |
| Blank screen | 22566.28 (37513.37)* | 2925.24 (3587.05)* |
*
Represents significant difference between the groups, p<0.05.