Results 21 to 30 of about 5,529 (242)

Unilateral Adie's tonic pupil and viral hepatitis: Report of two cases [PDF]

open access: yesSrpski Arhiv za Celokupno Lekarstvo, 2015
Introduction. Adie’s (tonic) pupil is a neuro-ophthalmological disorder characterized by a tonically dilated pupil, which is unresponsive to light.
Karadžić Jelena   +2 more
doaj   +1 more source

Adie-Holmes syndrome associated with COVID-19 infection: A case report

open access: yesIndian Journal of Ophthalmology, 2021
With increasing experience, it has been suggested that the SARS-CoV-2 virus has a neurotropic effect. Here, we present a case of a tonic pupil who developed after COVID-19 infection.
Nurhan Kaya Tutar   +2 more
doaj   +1 more source

A case of Adie’s tonic pupil

open access: yesJournal of Surgery and Medicine, 2021
Adie'nin tonik pupillası; yuvarlak tek taraflı tonik pupilla, genişlemiş ve ışık yanıtı olmayan nöro-oftalmolojik bir bozukluktur. Genellikle idiyopatiktir, ancak enfeksiyon, iltihaplanma ve postganglionik paraneoplastik sinir hasarı ile ilişkilidir. Derin tendon refleks kaybı meydana geldiğinde Holmes-Adie sendromu olarak adlandırılır.
OCAK, Özgül, ZAN, Burak, OCAK, Barış
openaire   +4 more sources

Isometric exercise facilitates attention to salient events in women via the noradrenergic system

open access: yesNeuroImage, 2020
The locus coeruleus (LC) regulates attention via the release of norepinephrine (NE), with levels of tonic LC activity constraining the intensity of phasic LC responses.
Mara Mather   +7 more
doaj   +1 more source

Attentional Disengagement and the Locus Coeruleus – Norepinephrine System in Children With Autism Spectrum Disorder

open access: yesFrontiers in Integrative Neuroscience, 2021
BackgroundDifferences in non-social attentional functions have been identified as among the earliest features that distinguish infants later diagnosed with autism spectrum disorder (ASD), and may contribute to the emergence of core ASD symptoms ...
Brandon Keehn   +5 more
doaj   +1 more source

Pupillometry Reveals the Role of Arousal in a Postexercise Benefit to Executive Function

open access: yesBrain Sciences, 2021
A single bout of aerobic exercise improves executive function; however, the mechanism(s) underlying this improvement remains unclear. Here, we employed a 20-min bout of aerobic exercise, and at pre- and immediate post-exercise sessions examined executive
Naila Ayala, Matthew Heath
doaj   +1 more source

Tonic Pupil

open access: yesBulgarian Review of Ophthalmology, 2022
Twenty cases with isolated (local) tonic pupil due to involvement of the postganglionic parasympathetic fibers are reported. The typical syndrome of a tonic pupil with the following clinical signs is described: (1) a mydriatic pupil with a poor or absent reaction to light, (2) a normal, strong and tonic reaction to near stimuli with tonic and delayed ...
openaire   +2 more sources

Cognitive and Ocular Factors Jointly Determine Pupil Responses under Equiluminance.

open access: yesPLoS ONE, 2016
Changes in pupil diameter can reflect high-level cognitive signals that depend on central neuromodulatory mechanisms. However, brain mechanisms that adjust pupil size are also exquisitely sensitive to changes in luminance and other events that would be ...
Tomas Knapen   +5 more
doaj   +1 more source

Tonic and phasic transcutaneous auricular vagus nerve stimulation (taVNS) both evoke rapid and transient pupil dilation

open access: yesBrain Stimulation
Background: Transcutaneous auricular vagus nerve stimulation (tVNS or taVNS) is a non-invasive method of electrical stimulation of the afferent pathway of the vagus nerve, suggested to drive changes in putative physiological markers of noradrenergic ...
Lina Skora   +2 more
doaj   +1 more source

Tonic Pupil Following Traumatic Hyphema: Case Report

open access: yesTürk Oftalmoloji Dergisi, 2013
A 7-year-old girl was admitted to our clinic after crash injury with air gun pellet in her right eye. There was an intense anterior chamber reaction and hyphema on the biomicroscopic examination. During the control examination after treatment of hyphema
Şaban Gönül   +4 more
doaj   +1 more source

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