Eliot Hazeltine

Global functional connectivity of cognitive control network predicts task-switching performance in older adults

The paper examines how global functional connectivity of the default mode network (DMN) relates to task-switching performance in older adults, finding that lower mixing costs correlate with greater negative DMN connectivity.

Decoding task representations that support generalization in hierarchical task

The paper shows that humans can generalize task knowledge by associating simple tasks, and EEG data can decode these simple tasks during learning of new complex tasks.

Lingering neural representations of past task features adversely affect future behavior

The paper shows that strong neural representations of past task features can slow reaction times in future behavior during task-switching.

Cardiorespiratory fitness predicts greater hippocampal volume and rate of episodic associative learning in older adults

This study shows that higher cardiorespiratory fitness in older adults is linked to greater hippocampal volume and faster episodic associative learning, with hippocampal volume partially mediating this relationship.