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Investigating the Dynamic Relationship Between Anxiety and Spatial Memory Using Autonomous Ecological Momentary

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Biorxiv : the Preprint Server for Biology

|May 25, 2026

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This summary is machine-generated.

This study introduces a new method to track anxiety and spatial memory in epilepsy patients. Momentary anxiety affects response speed but not accuracy, showing a strategic shift rather than memory loss.

Area of Science:

Neuroscience
Psychology
Clinical Research

Background:

Anxiety's impact on memory is well-documented.
The dynamic relationship between anxiety and spatial episodic memory in real-world clinical settings is understudied.

Purpose of the Study:

To develop and validate an ecological momentary assessment (EMA) protocol for measuring anxiety-spatial memory dynamics.
To investigate how momentary anxiety influences spatial memory performance in epilepsy patients.

Main Methods:

Developed an anxiety-spatial-memory EMA (asm-EMA) protocol.
Deployed the protocol in 30 epilepsy patients during inpatient EEG monitoring.
Administered anxiety ratings and spatial memory tasks pseudo-randomly every 90-150 minutes over multiple days.

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Main Results:

Subject-level asm-EMA data correlated with standard neuropsychological assessments, confirming clinical validity.
Elevated anxiety (STAI-6) was linked to faster retrieval but not impaired spatial memory accuracy.
Anxiety exhibited short-term carryover effects between sessions, with limited persistence.

Conclusions:

The asm-EMA protocol is a feasible and autonomous method for capturing real-time anxiety-memory interactions.
Findings suggest anxiety may alter response strategies rather than impairing spatial memory itself.
This approach offers a novel framework for studying cognitive-emotional dynamics in clinical populations.