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Updated: Jul 19, 2025

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

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Published on: May 7, 2014

Laminar pattern of adolescent development changes in working memory neuronal activity.

Junda Zhu¹, Benjamin M Hammond¹, Xin Maizie Zhou^2,3

¹Program in Neuroscience, Vanderbilt University, Nashville, TN 37235.

Biorxiv : the Preprint Server for Biology

|August 7, 2023

Summary

This summary is machine-generated.

Adolescent brain development shows changes in neural activity during working memory tasks. These changes, crucial for cognitive improvement, are most prominent in the middle and deeper layers of the prefrontal cortex.

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Area of Science:

Neuroscience
Developmental Neuroscience
Cognitive Neuroscience

Background:

Adolescence is a critical period for cognitive development, including significant improvements in working memory.
Structural brain changes, particularly in the prefrontal cortex, occur during adolescence, coinciding with enhanced working memory capacity.
Previous research suggested superficial cortical layers are primarily involved in working memory maintenance.

Conclusions:

Neurophysiological maturation during adolescence is not confined to superficial cortical layers.
Working memory improvements are associated with distinct patterns of neural activity changes across different cortical depths in the prefrontal cortex.
These findings reveal a complex laminar organization underlying cognitive development and working memory enhancement during adolescence.