Joshua Jacobs

This paper develops a real-time sleep stage classifier for N2 and N3 sleep using scalp and intracranial EEG, showing high accuracy and informing stimulation timing.

The paper shows that theta-phase timing of spikes encodes spatial and image information beyond firing rate in hippocampal neurons.

The paper examines how hippocampal and cortical oscillations support memory encoding during continuous movie watching by analyzing temporal patterns of power, synchrony, and phase alignment.

The paper identifies time cells and their role in temporal context recovery during episodic memory retrieval using human neurosurgical recordings.

The paper examines how different thalamic nuclei coordinate with cortical slow oscillations during sleep, finding nucleus-specific patterns linked to propagation types.

This study compares place cell detection methods in rats and humans, showing methodological differences affect identified place cell properties and cross-species comparisons.

This study develops and validates an EMA protocol to assess anxiety and spatial memory dynamics in epilepsy patients, finding no direct link between anxiety and memory accuracy but identifying task familiarity and temporal trends.

This study shows that human hippocampal neurons use polysemantic coding, where neurons represent multiple unrelated semantic features through high-dimensional superposition, enabling efficient contextualization of meaning.

The paper identifies different types of traveling waves in brain activity during memory tasks and links their patterns to specific cognitive processes and remembered items.

This paper presents a high-bandwidth, wireless brain-computer interface device capable of chronic recordings in animals, demonstrating reliable performance over weeks.

The paper identifies hidden spiral dynamics underlying traveling waves in human neural activity during memory tasks using a new computational framework.

The paper shows that traveling waves in the insula correlate with memory performance during a spatial episodic memory task.

This study investigates theta-phase locking of single neurons during human spatial memory tasks and finds it is prevalent and influenced by theta power and aperiodic activity.

This study shows that cholinergic blockade disrupts hippocampal theta oscillations during memory encoding but not retrieval, suggesting theta reflects an encoding state rather than being required for retrieval.

The paper investigates how hippocampal neurons track multiple agents during pursuit tasks, finding multiplexed neural maps and semi-orthogonal subspaces for distinguishing agents.

The paper investigates how human medial temporal lobe neurons represent temporal order during memory formation and recall, finding preserved neural codes for temporal positions in both phases.

The paper examines age-related changes in hippocampal and prefrontal cortex electrophysiology during navigation, finding compensatory prefrontal activity in older adults.

The paper uses intracranial-EEG and video data to show that brain regions switch between spectral states in sync, reflecting naturalistic behaviors and forming functional networks.

This study examines aperiodic neural activity across broader frequency ranges during sleep, finding that complex models with knee features capture sleep-stage differences and temporal dynamics.

The paper examines how single neurons in the human medial temporal lobe encode different task-related variables in spatial and memory tasks, finding that some neurons flexibly shift their representations across tasks.

The paper investigates how neuronal activity in the amygdala and hippocampus enhances emotional memory encoding and shows that inhibiting this activity reduces memory enhancement for emotional stimuli.

The paper identifies neuronal assemblies in the human MTL using microelectrode data and shows they are linked to memory performance and exhibit flexible adjustment over time.

The paper identifies stimulus-specific neurons that show ripple-locked coactivity during associative memory encoding and retrieval in humans.

This study investigates the electrophysiological dynamics of the human insula using intracranial EEG, revealing hierarchical organization of theta and beta oscillations as traveling waves.

This study shows that theta and alpha traveling waves in the human cortex have directional and temporal patterns linked to memory encoding and retrieval.

The paper shows that traveling waves in monkey frontoparietal networks encode recent reward memory during saccade tasks.

The paper identifies 'anchor cells' in the human medial temporal lobe that encode egocentric spatial maps during virtual navigation.

This study shows that spatially tuned neurons in the human hippocampus and entorhinal cortex exhibit phase precession during spatial navigation, extending this phenomenon to humans and suggesting a broader role in representing spatial and non-spatial information.

The paper identifies time cells in the human hippocampus and entorhinal cortex that predict episodic memory temporal organization and exhibit phase precession.

This study examines how direct brain stimulation affects neuronal activity in humans, finding that frequency, amplitude, and electrode location influence whether stimulation inhibits or excites activity.