Results 51 to 60 of about 41,501 (265)

A Case of Anterior Choroidal Artery Occlusion and Stroke Secondary to External Compression

open access: yesCase Reports in Neurology, 2021
The anterior choroidal artery (AChA) is a small artery commonly arising from the supraclinoid segment of the internal carotid artery (ICA). The significance of the AChA is related to its strategic supply to various important structures of the brain, such
Satya Narayana Patro   +5 more
doaj   +1 more source

The Organization of Central Retinal Projections in Anna's Hummingbirds (Calypte anna) and Zebra Finches (Taeniopygia castanotis). [PDF]

open access: yesJ Comp Neurol
Retinal projections in the Anna's hummingbirds (Calypte anna) where studied using intraocular injections of a neural tracer and compared to those of a non‐hovering species, the Zebra finch (Taeniopygia castanotis). Retinal targets in both birds were similar and correspond closely to those reported in other birds from a variety of avian clades ...
Gutiérrez-Ibáñez C   +4 more
europepmc   +2 more sources

Ascending projections to the medial geniculate body of the cat: evidence for multiple, parallel auditory pathways through thalamus [PDF]

open access: hybridJournal of Neuroscience, 1983
The sources of ascending input to the medial geniculate body (MGB) of the cat were studied using the retrograde transport of horseradish peroxidase (HRP).
Mike B. Calford, LM Aitkin
openalex   +2 more sources

The parcellation of the medial geniculate body of the cat defined by the auditory response properties of single units [PDF]

open access: hybridJournal of Neuroscience, 1983
Single unit responses were recorded in the medial geniculate body (MGB) of anesthetized cats. In response to acoustical stimulation the properties of response latency, discharge pattern, frequency tuning, binaural interaction, and habituation were ...
Mike B. Calford
openalex   +2 more sources

Drivers and modulators in the central auditory pathways

open access: yesFrontiers in Neuroscience, 2010
The classic view of auditory information flow depicts a simple serial route from the periphery through tonotopically-organized nuclei in the brainstem, midbrain and thalamus, ascending eventually to the neocortex.
Charles C Lee, S. M Sherman
doaj   +1 more source

The Effects of Acoustic White Noise on the Rat Central Auditory System During the Fetal and Critical Neonatal Periods: A Stereological Study

open access: yesNoise and Health, 2017
Aim: To evaluate the effects of long-term, moderate level noise exposure during crucial periods of rat infants on stereological parameters of medial geniculate body (MGB) and auditory cortex.
Mohammad Saied Salehi   +9 more
doaj   +1 more source

Lemniscal Corticothalamic Feedback in Auditory Scene Analysis

open access: yesFrontiers in Neuroscience, 2021
Sound information is transmitted from the ear to central auditory stations of the brain via several nuclei. In addition to these ascending pathways there exist descending projections that can influence the information processing at each of these nuclei ...
Natsumi Y. Homma   +2 more
doaj   +1 more source

Can chronic remote cortical hypoperfusion induced by thalamic infarction cause damage of tracts passing through those hypoperfused regions?

open access: yesFrontiers in Neurology, 2013
We report the case of a woman presenting with changes on cerebral imaging a year and a half after a bi-thalamic (predominantly left-sided) infarction including lateral and medial thalamic nuclei.
Eloi eMagnin   +4 more
doaj   +1 more source

Defining Meyer's loop-temporal lobe resections, visual field deficits and diffusion tensor tractography [PDF]

open access: yes, 2009
Anterior temporal lobe resection is often complicated by superior quadrantic visual field deficits (VFDs). In some cases this can be severe enough to prohibit driving, even if a patient is free of seizures.
A. W. McEvoy   +48 more
core   +3 more sources

Visual and Electrosensory Circuits of the Diencephalon in Mormyrids [PDF]

open access: yes, 1990
Mormyrids are one of two groups of teleost fishes known to have evolved electroreception, and the concomitant neuroanatomical changes have confounded the interpretation of many of their brain areas in a comparative context, e.g., the diencephalon, where ...
Adams   +71 more
core   +1 more source

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