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Related Experiment Video

Updated: Nov 17, 2025

An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones

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Published on: October 5, 2020

Touchscreen Response Precision Is Sensitive to the Explore/Exploit Trade-off.

Dana Mueller¹, Erin Giglio¹, Cathy S Chen¹

¹Department of Psychology, University of Minnesota, Minneapolis, Minnesota 55455.

|April 17, 2025

Summary

This summary is machine-generated.

Touchscreen interactions reveal cognitive states in decision-making. Mouse behavior shows exploit states increase motor stereotypy, while males exhibit greater variability than females.

Keywords:

bandit hidden Markov model (HMM)reinforcement learning sex differences touchscreen

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Area of Science:

Neuroscience
Cognitive Science
Behavioral Science

Background:

The explore/exploit trade-off is crucial for decision-making, but its link to motor execution remains unclear.
Touchscreens offer precise measurement of choice responses, potentially revealing cognitive states.
Understanding sex differences in decision-making variability is important.

Purpose of the Study:

To investigate if touchscreen interaction kinetics can measure explore/exploit states in decision-making.
To determine how prior reward and sex influence choice variability.
To explore the relationship between motor stereotypy and cognitive states.

Main Methods:

Mice (male and female) performed a restless bandit task using a touchscreen.
Touch response location and timing were analyzed to quantify choice variability.
Behavioral data were correlated with explore/exploit states and prior reward history.

Main Results:

Exploit states correlated with decreased response variability and increased motor stereotypy.
Past reward reduced choice variability independently of the explore/exploit state.
Male mice consistently showed higher touchscreen interaction variability than females.

Conclusions:

Touchscreen kinetics provide a measure of internal cognitive states during decision-making.
Exploit behavior is associated with more automated motor actions, but males maintain higher variability.
Touchscreen tasks can reveal latent neural states linking cognition and movement.