Fig 1.
Design of the active viewing task.
Fig 2.
In the top panel, the left-most point of the SAM on the pleasure dimension denotes being very unhappy or unsatisfied, while the right-most SAM point reflects being extremely happy and pleased. In the bottom panel, the left-most picture is selected to show relaxed and calm, whilst the right-most SAM is related to being highly aroused due to extreme excitement.
Fig 3.
The ESD is calculated based on the length of the vector from the centre of each eye to the user coordinate system (UCS) origin point on the eye tracker.
Table 1.
Mean and standard deviation values for each dependent variable as a function of image category.
Fig 4.
Histogram showing the age distribution of study participants (N = 35).
Note: bin width based on Sturges’ rule.
Table 2.
Planned contrasts of mean affective ratings for total sample and across age levels.
Table 3.
Planned contrasts of mean SCR amplitude for total sample and across age levels.
Table 4.
Planned contrasts of mean ESD for total sample and across age levels.