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Articles 1 - 5 of 5
Full-Text Articles in Medicine and Health Sciences
Short-Wavelength Light Sensitivity Of Circadian, Pupillary, And Visual Awareness In Humans Lacking An Outer Retina, Farhan H. Zaidi, Joseph T. Hull, Stuart N. Peirson, Katharina Wulff, Daniel Aeschbach, Joshua J. Gooley, George C. Brainard, Kevin Gregory-Evans, Joseph F. Rizzo Iii, Charles A. Czeisler, Russell G. Foster, Merrick J. Moseley, Steven W. Lockley
Short-Wavelength Light Sensitivity Of Circadian, Pupillary, And Visual Awareness In Humans Lacking An Outer Retina, Farhan H. Zaidi, Joseph T. Hull, Stuart N. Peirson, Katharina Wulff, Daniel Aeschbach, Joshua J. Gooley, George C. Brainard, Kevin Gregory-Evans, Joseph F. Rizzo Iii, Charles A. Czeisler, Russell G. Foster, Merrick J. Moseley, Steven W. Lockley
Department of Neurology Faculty Papers
As the ear has dual functions for audition and balance, the eye has a dual role in detecting light for a wide range of behavioral and physiological functions separate from sight. These responses are driven primarily by stimulation of photosensitive retinal ganglion cells (pRGCs) that are most sensitive to short-wavelength ( approximately 480 nm) blue light and remain functional in the absence of rods and cones. We examined the spectral sensitivity of non-image-forming responses in two profoundly blind subjects lacking functional rods and cones (one male, 56 yr old; one female, 87 yr old). In the male subject, we found …
Teaching Case: Occipital Neuralgia In A Young Patient - Expert Commentary, Avi Ashkenazi
Teaching Case: Occipital Neuralgia In A Young Patient - Expert Commentary, Avi Ashkenazi
Department of Neurology Faculty Papers
Expert commentary on Carayannopoulos, AG. Teaching case: Occipital neuralgia in a young patient, 47(9):1367-1368, October 2007.
Teaching Case: Headache Stigmata, Michael Marmura, Seymour Solomon
Teaching Case: Headache Stigmata, Michael Marmura, Seymour Solomon
Department of Neurology Faculty Papers
A 38-year-old man with past medical history of hypertension and obesity presented to our clinic for evaluation of severe headaches and multiple episodes of discoloration of the forehead on the same side as the headache.
Meeting Report: The Role Of Environmental Lighting And Circadian Disruption In Cancer And Other Diseases, Richard G. Stevens, David E. Blask, George C. Brainard, Johnni Hansen, Steven W. Lockley, Ignacio Provencio, Mark S. Rea, Leslie Reinlib
Meeting Report: The Role Of Environmental Lighting And Circadian Disruption In Cancer And Other Diseases, Richard G. Stevens, David E. Blask, George C. Brainard, Johnni Hansen, Steven W. Lockley, Ignacio Provencio, Mark S. Rea, Leslie Reinlib
Department of Neurology Faculty Papers
Light, including artificial light, has a range of effects on human physiology and behavior and can therefore alter human physiology when inappropriately timed. One example of potential light-induced disruption is the effect of light on circadian organization, including the production of several hormone rhythms. Changes in light-dark exposure (e.g., by nonday occupation or transmeridian travel) shift the timing of the circadian system such that internal rhythms can become desynchronized from both the external environment and internally with each other, impairing our ability to sleep and wake at the appropriate times and compromising physiologic and metabolic processes. Light can also have …
Hemicrania Continua-Like Headache Associated With Carotid Dissection May Respond To Indomethacin, Avi Ashkenazi, Muhammad A. Abbas, Dinesh K. Sharma, Stephen D. Silberstein
Hemicrania Continua-Like Headache Associated With Carotid Dissection May Respond To Indomethacin, Avi Ashkenazi, Muhammad A. Abbas, Dinesh K. Sharma, Stephen D. Silberstein
Department of Neurology Faculty Papers
Hemicrania continua (HC) is an idiopathic, chronic disorder characterized by a continuous, strictly unilateral headache associated with ipsilateral cranial autonomic symptoms. The symptoms of HC typically respond dramatically to indomethacin therapy. We describe a patient with traumatic internal carotid artery (ICA) dissection, who presented with a clinical picture mimicking HC that initially responded to indomethacin. Patients with a clinical picture similar to HC should be managed with a high index of suspicion for a possible cervical arterial dissection.