Results 71 to 80 of about 13,686 (260)

When a stroke defies convention: exploring ipsilateral motor symptoms

open access: yesThe Egyptian Journal of Radiology and Nuclear Medicine
It is rare for a patient with a supratentorial stroke to result in hemiparesis on the same side of the body. This unusual phenomenon has been documented previously, and various underlying reasons can exist for it.
Ismail Mohamed Halfi   +3 more
doaj   +1 more source

THE RETROGRADE ATROPHY.OF THE PYRAMIDAL TRACTS [PDF]

open access: yesThe Journal of Nervous and Mental Disease, 1904
n ...
openaire   +2 more sources

The segregation of Calb1, Calb2, and Prph neurons reveals distinct and mixed neuronal populations and projections to hair cells in the inner ear and central nuclei

open access: yesDevelopmental Dynamics, EarlyView.
Three populations of hair cells have a distinct expression of Calb1 and Calb2. (A, A′D) The central is highly positive for Calb1 while surrounding HC are positive for Calb2. Later, a calyx forms primarily with Calb1. (B, B′, D′, D″) Saccule and utricle start out positive for Calb2 but will upregulate the Calb1 in the striola that is primarily forming ...
Jeong Han Lee   +6 more
wiley   +1 more source

PYRAMIDAL TRACTS IN PRIMATE TAXONOMY.

open access: yes, 1965
PYRAMIDAL TRACTS IN PRIMATE ...
CARLOS BOYD GODFREY. CAMPBELL (7956779)
core  

disabled-1Functions Cell Autonomously during Radial Migration and Cortical Layering of Pyramidal Neurons

open access: yes, 2001
Genetic mosaics offer an excellent opportunity to analyze complex gene functions. Chimeras consisting of mutant and wild-type cells provide not only the avenue for lineage-specific gene rescue but can also distinguish cell-autonomous from non-cell ...
Seong-Seng Tan   +3 more
core   +1 more source

Complex spatial and temporally defined myelin and axonal degeneration in Huntington disease

open access: yesNeuroImage: Clinical, 2018
Although much prior work has focused on the basal ganglia and cortical pathology that defines Huntington's disease (HD), recent studies have also begun to characterize cerebral white matter damage (Rosas et al., 2006; Dumas et al., 2012; Poudel et al ...
H.D. Rosas   +6 more
doaj   +1 more source

Absence seizures: Update on signaling mechanisms and networks

open access: yesEpilepsia Open, EarlyView.
Abstract Absence seizures (AS) are a hallmark of genetic generalized epilepsies (GGE), characterized by brief episodes of impaired consciousness accompanied by electroencephalographic spike‐and‐wave discharges (SWDs). Traditionally attributed to cortico‐thalamo‐cortical (CTC) dysrhythmia, emerging evidence suggests a more intricate pathophysiological ...
Ozlem Akman, Filiz Onat
wiley   +1 more source

In Vivo visualization of white matter fiber tracts in the brainstem using low flip angle double echo 3D gradient echo imaging at 3T

open access: yesNeuroImage
Background: White matter (WM) fiber tracts in the brainstem communicate with various regions in the cerebrum, cerebellum, and spinal cord. Clinically, small lesions, malformations, or histopathological changes in the brainstem can cause severe ...
Qiuyun Xu   +10 more
doaj   +1 more source

Dopaminergic novelty detection and theta oscillations: Virtual reality‐based adaptive interventions for cognitive enhancement in aging

open access: yesIbrain, EarlyView.
Aging‐related cognitive decline is associated with reduced dopaminergic signaling and disrupted theta oscillations, which together impair novelty detection and memory formation. This review shows how VR environments can be used to deliver adaptive, novelty‐rich stimuli that engage dopaminergic circuits and entrain theta rhythms, thereby enhancing ...
Abraham Olufemi Asuku   +1 more
wiley   +1 more source

Cornu Ammonis Regions–Antecedents of Cortical Layers?

open access: yesFrontiers in Neuroanatomy, 2017
Studying neocortex and hippocampus in parallel, we are struck by the similarities. All three to four layered allocortices and the six layered mammalian neocortex arise in the pallium.
Audrey Mercer, Alex M. Thomson
doaj   +1 more source

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