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Assessment of Mouse Judgment Bias through an Olfactory Digging Task

Assessment of Mouse Judgment Bias through an Olfactory Digging Task

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Persisting inhibition biases efficient rule inference under uncertainty.

Pierpaolo Zivi¹, Anna Zigrino¹, Alessandro Couyoumdjian¹

¹Department of Psychology, Sapienza University of Rome, Rome, Italy.

Frontiers in Psychology

|April 8, 2024

Summary

Task set inhibition, the suppression of competing task sets, influences rule selection under uncertainty. This cognitive mechanism, independent of working memory capacity, adjusts behavior based on recent rule usage history.

Keywords:

cognitive control decision making inhibition rule inference set shifting task set task switching

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Area of Science:

Cognitive Psychology
Neuroscience

Background:

Task set inhibition is crucial for efficient task switching by suppressing interference from recently used task sets.
Existing research primarily examines task set inhibition in cued task-switching paradigms with no uncertainty.
The impact of task set inhibition on rule selection under uncertainty remains unexplored.

Purpose of the Study:

To investigate whether task set inhibition influences rule selection when task rules are uncertain.
To examine the relationship between rule selection, recency of rule abandonment, and working memory capacity.

Main Methods:

An ad-hoc four-rule card sorting task was designed to assess rule selection after a rule shift.
Participants' rule choices were categorized based on the recency of their last use.
Working memory capacity (WMC) was measured to control for its potential influence.

Main Results:

Participants showed a decreased preference for rules that were recently abandoned compared to those abandoned longer ago.
This preference for less recently abandoned rules was not correlated with working memory capacity.

Conclusions:

Rule selection under uncertainty appears to be influenced by task set inhibition.
This suggests task set inhibition acts as a conflict adjustment mechanism, informed by the sequential history of rule application.