Results 141 to 150 of about 39,184 (312)

Modulation of Training by Single-Session Transcranial Direct Current Stimulation to the Intact Motor Cortex Enhances Motor Skill Acquisition of the Paretic Hand [PDF]

open access: bronze, 2012
Máximo Zimerman   +5 more
openalex   +1 more source

Alternating‐contrast single‐shot spiral MR‐ARFI with model‐based displacement map reconstruction

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose To improve single‐shot spiral MR‐Acoustic Radiation Force Imaging (MR‐ARFI)'s robustness to dynamic phase errors and evaluate it in non‐human primates (NHPs) with a low‐f‐number transducer. Methods A single‐shot spiral MR‐ARFI pulse sequence with 2 mm in‐plane resolution and alternating displacement phase contrast was implemented to ...
Saikat Sengupta   +4 more
wiley   +1 more source

Transcranial Doppler ultrasound validation of BOLD‐fMRI cerebral blood flow relationship

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose A precise understanding of the interplay between cerebral blood flow (CBF) and blood oxygen level‐dependent (BOLD) fMRI signals is essential for advancing cerebrovascular research. Although calibrated BOLD approaches often rely on arterial spin labelling (ASL) to estimate CBF, alternative validation using transcranial Doppler ...
Genevieve Hayes   +3 more
wiley   +1 more source

Transcranial Direct Current Stimulation Accelerates Allocentric Target Detection [PDF]

open access: green, 2012
Jared Medina   +5 more
openalex   +1 more source

Increasing the measurable frequency range of magnetic field oscillations with off‐resonance spin‐lock preparation pulses

open access: yesMagnetic Resonance in Medicine, EarlyView.
Abstract Purpose Oscillatory magnetic fields—arising from, e.g., neuronal currents or induced currents during brain stimulation—can be measured with spin‐lock preparation pulses, where the frequency of the measured field matches the amplitude of the spin‐lock pulse.
Fróði Gregersen   +3 more
wiley   +1 more source

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