Obsesif Kompulsif Bozukluk Hastalarının İnsanların Bakış İşaretine Spontan Olarak Odaklanmaları Bozuktur: Bir Göz İzleme Çalışması

2020; 31(3): 168-173
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Impaired Spontaneous Attention to Gaze Cueing in Obsessive-Compulsive Disorder: Eye Tracking Study

Objective: The aim of this study was to determine whether or not
patients with obsessive compulsive disorder (OCD) differed from the
control group in paying spontaneous attention to gaze cueing.
Method: The OCD patient and control groups were tested on a
shortened version of Social Distance Judgement Task using pictures
of two human cartoon figures with their bodies directed toward the
observer and their heads facing each other or in opposite directions.
Participants were asked to compare the distances between the cartoon
figures and between the blocks drawn under each figure, while their
eye movements were recorded by eye-tracking equipment. Before the
recording, a rectangular area, with its lower side located at the shoulder
region of the cartoon figures, was determined as the area of interest for
visual fixation. During the test, human cartoon figures were presented
on a computer screen, and the number and duration of visual fixations
on the area of interest by both patients and controls were recorded and
compared with each other.
Results: In comparison to the control group, the patients with OCD
had less number (p=0.029) and duration (p=0.051) of visual fixations
on the head and surrounding region of the cartoon figures. The number
and duration of fixations on the region of interest did not show
correlation with the severity of symptoms.
Conclusion: Patients with OCD are less likely to pay spontaneous
attention to gaze cueing in comparison to healthy individuals.
Impairment in spontaneous attention to social cues may underlie the
social functioning disorders observed in these patients.
Key Words: Obsessive-compulsive disorder, social signs, visual fixation, spontaneous attention, eye tracking, social function