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Track It to Crack It: Dissecting Processing Stages with Finger Tracking.
Dror Dotan1, Pedro Pinheiro-Chagas2, Fosca Al Roumi3
1Mathematical Thinking Lab, School of Education and School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel; Cognitive Neuroimaging Unit, CEA DRF/I2BM, INSERM, Université Paris-Sud, Université Paris-Saclay, NeuroSpin center, 91191 Gif/Yvette, France.
Trends in Cognitive Sciences
|November 5, 2019
Summary
Finger trajectory tracking reveals the timing and order of cognitive processing stages. This method offers richer insights into cognitive operations than traditional response times alone.
Area of Science:
- Cognitive Science
- Neuroscience
- Psychology
Background:
- Understanding cognitive task processing stages is a key goal in cognitive science.
- Traditional methods like response times offer limited temporal resolution.
Purpose of the Study:
- To introduce and validate finger trajectory tracking as a method for dissecting cognitive processing.
- To demonstrate its ability to provide high temporal resolution of cognitive events.
Main Methods:
- Continuously tracking participant finger position and speed during response selection.
- Analyzing how stimulus features influence finger trajectories over time.
- Estimating the timing and order of distinct processing stages.
Main Results:
- Finger trajectory analysis can precisely estimate the timing and sequence of cognitive operations.
- This method detects transient effects, changes of mind, and processing dynamics (serial vs. parallel).
- It offers a more comprehensive view of cognitive temporal dynamics than response times.
Conclusions:
- Finger trajectory tracking is a powerful tool for understanding the temporal dynamics of cognition.
- It provides richer, more detailed information about cognitive processing than previously available.
- This technique can advance our understanding of real-time cognitive operations and confidence fluctuations.
