J. Douglas Crawford

This study compares neural dynamics during grasping and placing tasks using EEG, finding shared cortico-cerebellar mechanisms with distinct spatiotemporal patterns.

This study uses fMRI to examine effector-specific neural activity during saccade and reach movements, finding that multivariate analyses reveal distinct spatial patterns despite overlapping activation.

This study uses TMS to show that superior occipital TMS impairs both egocentric and allocentric reaches, while inferior occipital TMS only affects allocentric performance, supporting a dorsal-ventral stream dissociation in memory-guided reaching.

The paper uses fMRI to compare neural networks for grasp and object placement tasks, finding task-specific differences in cerebellar and prefrontal activation.

The paper investigates how auditory and visual cues are integrated into the cortical reach network using fMRI, finding distinct modules for each cue type and their interaction.

This paper develops a computational model that explains how cortical cognitive processes influence superior colliculus signals and the timing of gaze shifts to multisensory targets.

The paper investigates how task instructions affect cortical network modularity using fMRI data, finding that allocentric tasks reduce module count and recruit additional hubs for integration.

The paper uses fMRI data to analyze how saccades affect functional modularity in the human cortical vision network, showing increased integration during saccadic eye movements.

This study uses MEG to identify posture coding and intrinsic movement plans in parietofrontal cortex during wrist pointing tasks, revealing distinct but overlapping networks for intrinsic and extrinsic motor codes.

The paper investigates how explicit instructions to use allocentric landmarks improve reach accuracy, precision, and reaction time compared to ignoring landmarks in a reach task.

The paper investigates how gaze, vision, and memory affect hand placement and orientation during a task involving 2D visual templates, showing feedback-dependent effects on location and orientation errors.

The paper compares single-unit and multi-unit activity in the frontal eye fields during a delayed saccade task, finding that multi-unit activity better captures visuomotor transformations while losing some cognitive signals.

The paper investigates the role of occipital and parietal cortex in transsaccadic perception of object shape and orientation using neuroimaging data.

The paper investigates how hand-specific signals interact with top-down motor plans using MEG, showing hand-specific cortical regions and their interactions with instructed movement plans.

This study shows that action planning modulates object feature representation in human fronto-parietal and occipital cortex using fMRI and pattern classification.

The paper develops a neural network model integrating allocentric and egocentric visual information to simulate goal-directed gaze shifts, showing it replicates both general properties and specific experimental results.

This study uses EEG and graph theory analysis to show that saccades and pre-saccadic stimulus repetition alter cortical network topology and dynamics, with specific effects on network hubs and synchronization.

The paper tests time perception models against visual phenomena, finding that a vector model best explains interactions between saccades and stimulus novelty.

This study shows that gaze-related activity in primate frontal cortex predicts and reduces spatial uncertainty during a cue-conflict task.

The paper investigates how landmark-centered and eye-centered visual signals are integrated in the supplementary eye fields (SEF) during saccadic eye movements in macaques.

The paper shows that prefrontal visual responses in macaques are influenced by external landmarks, with coding shifting toward landmark-centered when considering specific target-landmark configurations.

This study investigates the role of posterior parietal cortex in transsaccadic memory of spatial frequency using fMRI, finding distinct neural networks for different visual features.

This study identifies parietal cortex regions that integrate saccade and visual signals to update grasp plans during eye movements.

This study shows that frontal eye field neurons integrate eye-centered and landmark-centered visual codes during saccade tasks, with a transient shift toward allocentric coordinates before motor execution.

The paper shows that the superior colliculus rapidly transforms target to gaze coding during reactive saccades, with timing determining spatial coding across cell types.

The paper uses MEG to study real-time sensorimotor transformations during wrist pointing, finding a progressive shift from sensory to motor coding across brain regions.

This study shows that action-specific intentions influence visual cortex processing of object orientation several seconds after viewing, with effects starting in primary visual cortex and extending to other visual areas.

This study uses fMRI to investigate effector-specific cortical mechanisms for saccades and reaches, revealing distinct but temporally correlated networks for eye and hand movements.

The paper investigates neural correlates of transsaccadic orientation comparison across different spatial reference frames using fMRIa, finding distinct cortical activation patterns for each condition.