Michael Walsh Dickey

Concept-Level Semantic Representations Remain Decodable in Chronic Post-Stroke Aphasia

This study decodes concept-level semantic representations from BOLD signals in chronic post-stroke aphasia and finds that an experiential model best matches neural geometry, suggesting preserved conceptual representations despite language impairments.

White matter neuroanatomical predictors of aphasic verb retrieval

This study identifies white matter tracts associated with verb retrieval in aphasia, finding that motor-related projection pathways are more strongly linked than traditional dual-stream language tracts.

Thalamic encoding of lexical status is lateralized during reading aloud

The paper investigates thalamic activity during reading aloud, finding lateralized gamma activity related to lexical status processing.

Subthalamic nucleus and sensorimotor cortex activity during speech production

The paper examines high gamma activity in the subthalamic nucleus and sensorimotor cortex during speech production, finding articulator-specific signals in both regions with similar timing but different topographical organization.

Subthalamic nucleus neurons differentially encode early and late aspects of speech production

The paper examines subthalamic nucleus neuron activity during speech production, finding distinct firing rate changes related to speech planning and execution.