Alex J. Shepherd
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View article: Tracking the Migraine Cycle Using Visual Tasks
Tracking the Migraine Cycle Using Visual Tasks Open
There are a number of reports that perceptual, electrophysiological and imaging measures can track migraine periodicity. As the electrophysiological and imaging research requires specialist equipment, it has few practical applications. Thi…
View article: A Review of Motion and Orientation Processing in Migraine
A Review of Motion and Orientation Processing in Migraine Open
Visual tests can be used as noninvasive tools to test models of the pathophysiology underlying neurological conditions, such as migraine. They may also be used to track changes in performance that vary with the migraine cycle or can track …
View article: Veterans with post-traumatic stress disorder exhibit altered emotional processing and attentional control during an emotional Stroop task
Veterans with post-traumatic stress disorder exhibit altered emotional processing and attentional control during an emotional Stroop task Open
Background Post-traumatic stress disorder (PTSD) is often associated with attention allocation and emotional regulation difficulties, but the brain dynamics underlying these deficits are unknown. The emotional Stroop task (EST) is an ideal…
View article: Enhanced Motion Aftereffects in Migraine Are Related to Contrast Sensitivity: Implications for Models of Differences in Precortical/Cortical Function
Enhanced Motion Aftereffects in Migraine Are Related to Contrast Sensitivity: Implications for Models of Differences in Precortical/Cortical Function Open
These results suggest an anomaly in early motion processing pathways in migraine that likely is linked with those pathways underlying contrast sensitivity. They provide further evidence for differences in visual processing that begin early…