Results 21 to 30 of about 12,950 (257)

Comparing two captive bolt devices on market age Pekin ducks

open access: yesJournal of Applied Poultry Research, 2021
Summary: The objective of this study was to determine the efficacy of 2 captive bolt devices in the euthanasia of market age Pekin ducks. One hundred twenty ducks were euthanized using either a commercially available captive bolt device (Zephyr-EXL, n ...
A.M. Stiewert, G.S. Archer
doaj   +1 more source

The pupillary light response reveals the focus of covert visual attention. [PDF]

open access: yesPLoS ONE, 2013
The pupillary light response is often assumed to be a reflex that is not susceptible to cognitive influences. In line with recent converging evidence, we show that this reflexive view is incomplete, and that the pupillary light response is modulated by ...
Sebastiaan Mathôt   +3 more
doaj   +1 more source

Investigation of light-induced lacrimation and pupillary responses in episodic migraine.

open access: yesPLoS ONE, 2020
The purpose of this pilot study was to investigate the light-induced pupillary and lacrimation responses mediated by intrinsically photosensitive retinal ganglion cells (ipRGCs) in migraine.
Marija Zivcevska   +5 more
doaj   +1 more source

A Novel Method for Measuring the Pupil Diameter and Pupillary Light Reflex of Healthy Volunteers and Patients With Intracranial Lesions Using a Newly Developed Pupilometer

open access: yesFrontiers in Medicine, 2021
Background: Physicians currently measure the pupil diameter and the pupillary light reflex with visual observations using a ruler and a traditional penlight, leading to possibly inaccurate and subjective assessments.
Joji Kotani   +7 more
doaj   +1 more source

A 57‐Year‐Old Male With Behavioral Variant Frontotemporal Dementia and MATR3 and NOS3 Mutations

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT This report presents a case of behavioral variant frontotemporal dementia caused by mutations in the MATR3 and NOS3 genes, aiming to analyze its clinical manifestations and genetic characteristics. For a case presenting with personality changes and gait abnormalities as the initial symptoms, this study conducted a comprehensive analysis of its
Feifei Lin, Saie Huang
wiley   +1 more source

Pupillary light reflex in ethambutol-induced optic neuropathy

open access: yesScientific Reports, 2020
We evaluated changes in the pupillary light reflex (PLR) of ethambutol (EMB)-induced optic neuropathy and analyzed the correlations between PLR parameters and other structural changes in EMB-induced optic neuropathy.
Yung-Ju Yoo   +2 more
doaj   +1 more source

The Case of a 40‐Year‐Old Man With New‐Onset Status Epilepticus in the Setting of HIV Infection

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT A 40‐year‐old man from Andhra Pradesh in India, while on regular antiretroviral treatment (ART) for long‐standing HIV infection presented with a 1‐day history of new‐onset status epilepticus. CT and MRI brain showed multifocal cerebral ring lesions, some of which demonstrated characteristic ‘hole‐with‐a‐dot’ sign.
Vadde Akhil, Ramachandiran Nandhagopal
wiley   +1 more source

GHRHR Deficiency Enhances Retinal Ganglion Cell Survival and Visual Functions in Experimental Glaucoma by Inhibiting Ferroptosis

open access: yesAdvanced Science, EarlyView.
Glaucoma, a major cause of blindness, involves retinal ganglion cell (RGC) degeneration. This study shows growth hormone‐releasing hormone receptor (GHRHR) deficiency preserves RGC survival and restores vision, unlike activation which only aids survival.
Yan Tong   +24 more
wiley   +1 more source

Atypical Pupil Reactions in Brain Dead Patients

open access: yesBrain Sciences, 2021
Background: During routine diagnosis of brain death, changes in pupil diameter in response to the stimulation of peripheral nerves are sometimes observed.
Joanna Sołek-Pastuszka   +8 more
doaj   +1 more source

Smart Nanotechnologies for Multimodal Neuromodulation and Brain Interfacing

open access: yesAdvanced Science, EarlyView.
Recent advances in smart nanotechnologies are expanding the toolbox for brain interfacing, from wireless neuromodulation and high‐resolution sensing to targeted delivery within the central nervous system. By combining responsive nanomaterials with bioinspired design, these platforms enable multimodal interactions with neurons and glia, while also ...
Tommaso Curiale   +6 more
wiley   +1 more source

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