Aberrant hemodynamic responses in autism: Implications for resting state fMRI functional connectivity studies

Functional MRI (fMRI) is modeled as a convolution of the hemodynamic response function (HRF) and an unmeasured latent neural signal.However, HRF itself is variable across brain regions and subjects.This variability is induced by both neural and non-neural factors.Aberrations in underlying neurochemical mechanisms, which control HRF shape, have been

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Current Use, Perceived Barriers, and Learning Preference of Point of Care Ultrasound (POCUS) in the Emergency Medicine in Qatar – A Mixed Design

Khalid Bashir,1 Aftab Mohammad Azad,1 Ayman Hereiz,1 Mohammed Talha Bashir,2 Maarij Masood,1 Amr Elmoheen1 1Department of Emergency Medicine, Hamad General Hospital, Doha, Qatar; 2University of Aberdeen School of Medicine and Dentistry, Aberdeen, Scotland, UKCorrespondence: Khalid Bashir Email [email protected]: Point of care

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