2021 / 01

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DOI: 10.24075/brsmu.2021.008

ORIGINAL RESEARCH

Oculomotor response to images in primary school children with mild intellectual disability

Nikishina VB1, Prirodova OF1, Petrash EA1, Sevrukova IA2
About authors

1 Pirogov Russian National Research Medical University, Moscow, Russia

2 Kursk State Medical University, Kursk, Russia

Correspondence should be addressed: Ekaterina A. Petrash
Ostrovityanova, 1, Moscow, 117997; ur.liam@hsartep

About paper

Author contribution: Nikishina VB and Prirodova OF proposed the concept, interpreted and summarized the obtained data; Petrash EA performed qualitative and quantitative analysis of the obtained data; interpreted and summarized the results; Sevrukova IA conducted the study and performed data acquisition

Compliance with ethical standards: the study was approved by the Ethics Committee of Kursk Medical State University (Protocol № 9 dated December 10, 2019). Written informed consent was obtained from the children’s parents or legal representatives.

Received: 2021-01-21 Accepted: 2021-02-15 Published online: 2021-02-26
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Fig. 1. Example of a visual stimulus
Fig. 2. The schematic representation of the overlap in the range of mean total number of fixations (А) and total latency (B) in children with ID and their typically developing peers
Fig. 3. A histogram showing mean values for the total number of fixations in children with mild ID and their typically developing peers
Fig. 4. Cumulative histograms showing average values for the total number of fixations in the groups presented with different types of visual stimulus
Fig. 5. Heat maps of gaze fixations on the elements of mixed images in the main and control groups
Fig. 6. Cumulative histograms showing average values for total latency (A) and fixation duration (B) in the groups presented with different types of visual stimulus
Table. Differences in the total number of fixations between the groups presented with images containing 6 and 12 objects (Wilcoxon sign-ranked test; р < 0.05)
Note: * — differences are statistically significant.