Michael D. Rugg

Different hippocampal subfield volumes predict source memory performance and general cognitive ability in an adult lifespan sample

The paper examines associations between hippocampal subfield volumes and cognitive performance in adults across the lifespan, finding subfield-specific links to memory and non-mnemonic cognition that are age-invariant.

Repetition-related reductions in neural activity support improved behavior through increases in oscillatory power

The paper shows that repetition increases oscillatory power in specific brain regions and correlates with behavioral improvements and neural efficiency.

Brain Structure-Function Association as a Compensatory Factor in Cognitive Aging

The paper investigates how age-related changes in brain structure and function interact to affect cognitive performance in older adults.

Encoding-related fMRI BOLD activity predicts subsequent memory for studied scenes, but not subsequent identification of perceptually similar lures.

The paper shows that encoding-related fMRI BOLD activity predicts memory for scenes but not for similar lures in a mnemonic similarity task.

Category-selective functional connectivity during episodic encoding and retrieval in younger and older adults

The paper examines category-selective functional connectivity during encoding and retrieval of visual information in younger and older adults, finding age-related differences in scene-selective connectivity and its relation to memory performance.

Retrieval-related eye movements are predictive of memory precision

This study shows that eye movements during memory retrieval predict both retrieval success and the precision of the memory content.

Effects of cortical thickness, volume, and memory performance on age differences in neural reinstatement of scene information

The paper examines how age-related changes in cortical thickness, volume, and memory performance affect neural reinstatement of scene information in older versus younger adults.

The relationship between neural differentiation and exploratory eye movements in healthy young and older adults

This study examines how age affects neural selectivity and eye movements during scene and object processing, finding age-related differences in their relationship.

Effects of age in the strategic control of recollected content as reflected by modulation of scene reinstatement

This study investigates age-related differences in retrieval gating by examining scene reinstatement in young and older adults during memory tasks.

fMRI BOLD signals in the left angular gyrus and hippocampus are associated with memory precision

The paper investigates the relationship between fMRI BOLD signals in the left angular gyrus and hippocampus and memory precision during spatial memory tasks.

Neural correlates of retrieval success and precision: an fMRI study

This study uses fMRI to investigate neural correlates of memory retrieval success and precision, finding a precision effect in the left angular gyrus and no retrieval success effect there.

Dissociative effects of age on neural differentiation at the category and item level

The paper examines age-related neural dedifferentiation at category and item levels using fMRI data, finding distinct patterns of decline and associations with memory performance.

Relationships between age, fMRI correlates of familiarity and familiarity-based memory performance under single and dual task conditions

The paper investigates how age and divided attention affect neural correlates of familiarity and memory performance using fMRI.

The effects of age on neural correlates of recollection: transient versus sustained fMRI effects

This study investigates age-related differences in neural correlates of recollection using fMRI, finding that transient and sustained recollection effects are largely stable across healthy adulthood.

Cortical thickness, gray matter volume and cognitive performance: a cross-sectional study of the moderating effects of age on their inter-relationships

This study examines how age moderates the relationships between cortical thickness, gray matter volume, and cognitive performance in adults.

Patterns of retrieval-related cortico-striatal connectivity are stable across the adult lifespan

The paper examines striatal activity and connectivity during memory retrieval across age groups, finding no age-related moderation of these effects.

The Retrieval-related Anterior shift is Moderated by Age and Correlates with Memory Performance

This study examines how age affects the anterior shift during memory retrieval and links it to memory performance in younger and older adults.

The hippocampus shows an own-age bias during unfamiliar face viewing

The paper examines the neural correlates of the own-age bias in face recognition using repetition suppression, finding increased hippocampal activity for own-age faces during first viewing.

Transcranial magnetic stimulation of right dorsolateral prefrontal cortex does not affect associative retrieval in healthy young or older adults

This study investigates if TMS to the right DLPFC affects associative retrieval in young and older adults, finding no significant effect of TMS on recognition accuracy.

Distinct neurophysiological correlates of the fMRI BOLD signal in the hippocampus and neocortex

This study examines the relationship between fMRI BOLD signals and gamma-band activity in the hippocampus and neocortex, finding region-specific correlations.

Effects of age on goal-dependent modulation of episodic memory retrieval

This study investigates age-related differences in retrieval gating during episodic memory tasks, finding that younger adults show attenuated reinstatement of irrelevant scene information compared to older adults.

Hippocampal theta oscillations support successful associative memory formation

This study identifies 2-5 Hz hippocampal theta oscillations as selectively associated with successful associative memory encoding and retrieval in humans using intracranial EEG.

Direct brain recordings identify hippocampal and cortical networks that distinguish successful versus failed episodic memory retrieval

Effects of age on pre-stimulus neural activity predictive of successful memory encoding: an fMRI study

This study examines age-related differences in pre-stimulus neural activity predictive of memory encoding using fMRI, finding regionally specific patterns that suggest some cognitive processes are age-invariant.

Age differences in retrieval-related reinstatement reflect age-related dedifferentiation at encoding

The paper shows that age-related declines in scene reinstatement during memory retrieval are due to reduced neural differentiation during encoding.

Recollection-related hippocampal fMRI effects predict longitudinal memory change in healthy older adults

This study shows that hippocampal fMRI effects during recollection predict future memory changes in healthy older adults.

Neural differentiation is moderated by age in scene- but not face-selective cortical regions

This study finds age-related neural dedifferentiation occurs in scene-selective but not face-selective cortical regions and is linked to better memory performance in older adults.

Gamma oscillations during episodic memory processing reveal reversal of information flow between the hippocampus and prefrontal cortex

The paper examines gamma oscillations during episodic memory tasks and finds reversed information flow between the hippocampus and prefrontal cortex during encoding and retrieval.

Stimulation of the posterior cingulate impairs episodic memory encoding

This study uses deep brain stimulation to show that stimulating the posterior cingulate cortex impairs episodic memory encoding and modulates hippocampal activity.

Intracranial EEG reveals bihemispheric parietal and extra parietal brain networks supporting mental arithmetic

The paper uses intracranial EEG data to identify brain networks involved in mental arithmetic, revealing contributions from parietal and extra-parietal regions and hemispheric differences.