ArticleJournal of neuroscience methods2025
Assessing attentiveness and cognitive engagement across tasks using video-based action understanding in non-human primates.
Article in Journal of neuroscience methods, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundDistractibility and attentiveness are cognitive states that are expressed through observable behavior, but how behavioral features can be used to quantify these cognitive states has remained poorly understood. Video-based analysis promises to be a versatile tool to quantify the behavioral features that reflect subject-specific distractibility and attentiveness and are diagnostic of cognitive states. NEW
methodWe describe an analysis pipeline that classifies cognitive states using a 2-camera set-up for video-based estimation of attentiveness and screen engagement in nonhuman primates performing cognitive tasks. The procedure reconstructs 3D poses from 2D labeled DeepLabCut videos, reconstructs the head/yaw orientation relative to a task screen, and arm/hand/wrist engagements with task objects, to segment behavior into an attentiveness and engagement score.
resultsPerformance of different cognitive tasks was robustly classified from video within a few frames, reaching > 90 % decoding accuracy with ≤ 3 min long time segments. The analysis procedure allows adjusting thresholds for segmenting subject-specific movements for a time-resolved scoring of attentiveness and screen engagement. COMPARISON WITH EXISTING
methodsCurrent methods also extract poses and segment action units; however, they haven't been combined into a framework that enables subject-adjusted thresholding for specific task contexts. This integration is needed for inferring cognitive state variables and differentiating performance across various tasks.
conclusionThe proposed method integrates video segmentation, scoring of attentiveness and screen engagement, and classification of task performance at high temporal resolution. This integrated framework provides a tool for assessing attention functions from video.
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