Refine your search:

Containing Text
- - -
+
Filter by author or institution
GO
Filter by publication date
From:
October, 2006
Until:
Today
Filter by section
 
 
Vagus Nerve: The 10th cranial nerve. The vagus is a mixed nerve which contains somatic afferents (from skin in back of the ear and the external auditory meatus), visceral afferents (from the pharynx, larynx, thorax, and abdomen), parasympathetic efferents (to the thorax and abdomen), and efferents to striated muscle (of the larynx and pharynx).
 JoVE Neuroscience

Transplantation of Olfactory Ensheathing Cells to Evaluate Functional Recovery after Peripheral Nerve Injury

1UPRES EA3830, Institute for Research and Innovation in Biomedicine, University of Rouen, 2Neuroscience, Karolinska Institutet, 3Otorhinolaryngology, Head and Neck Surgery Department, Rouen University Hospital, 4Otorhinolaryngology, Head and Neck Surgery Department, Amiens University Hospital


JoVE 50590

 JoVE Medicine

Performing Permanent Distal Middle Cerebral with Common Carotid Artery Occlusion in Aged Rats to Study Cortical Ischemia with Sustained Disability

1Wolfson Centre for Age-Related Diseases, King's College London, University of London, 2Department of Neuroimaging, James Black Centre, Institute of Psychiatry, King's College London, University of London, 3Institute of Neuroscience and Psychology, Wellcome Surgical Institute, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, 4Research Service, Edward Hines Jr. VA Hospital, 5Neurology Service, Edward Hines Jr. VA Hospital, 6Department of Molecular Pharmacology and Therapeutics, Neuroscience Research Institute, Loyola University Chicago, 7Department of Oncology, The Gray Institute for Radiation, Oncology and Biology, University of Oxford


JoVE 53106

 Science Education: Essentials of Physical Examinations III

Cranial Nerves Exam II (VII-XII)

JoVE Science Education

Source: Tracey A. Milligan, MD; Tamara B. Kaplan, MD; Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA

The cranial nerve (CN) examination follows the mental status evaluation in a neurological exam. However, the examination of the cranial nerves begins with observations made upon greeting the patient. For example, weakness of the facial muscles that are innervated by the cranial nerve VII can be readily apparent during the first encounter with the patient. Cranial nerve VII, the Facial nerve, also has sensory branches, which innervate the taste buds on the anterior two-thirds of the tongue and the medial aspect of the external auditory canal. Therefore, finding ipsilateral taste dysfunction in the patient with facial weakness confirms the involvement of CN VII. In addition, knowledge of the neuroanatomy helps the clinician to localize level of the lesion: unilateral weakness of the lower facial muscles suggests a supranuclear lesion on the opposite side, while lesions involving the nuclear or infranuclear portion of the facial nerve, manifest with an ipsilateral paralysis of all the facial muscles on the involved side. Cranial nerve VIII, the Acoustic nerve, has two divisions: the hearing (cochlear) division, and the vestibular division, which innervates the semicirc

 Science Education: Essentials of Neuropsychology

Physiological Correlates of Emotion Recognition

JoVE Science Education

Source: Laboratories of Jonas T. Kaplan and Sarah I. Gimbel—University of Southern California

The autonomic nervous system (ANS) controls the activity of the body's internal organs and regulates changes in their activity depending on the current environment. The vagus nerve, which innervates many of the internal organs, is an important part of the system. When our brain senses danger, vagal tone is inhibited, leading to a set of changes in the body designed to make us more prepared to fight or flee; for example, our heart rate increases, our pupils dilate, and we breath more quickly. Conversely, when the vagal system is activated, these physiological responses are inhibited, leading to a calmer state. The vagus nerve, then, acts as a kind of "brake" on our arousal. One interesting consequence of this calmer state is that it tends to promote social interaction-when we are not tensed and afraid of our immediate environment we are instead receptive to interacting with others. Poor functioning of this regulatory mechanism, therefore, may be associated with difficulties in social behavior. One index of autonomic regulation is heart rate variability (HRV). HRV is a measure of how much the gap between one beat and the next varies over time. High HRV means there are continual fluctuations in the

 JoVE Medicine

Implantation of a Carotid Cuff for Triggering Shear-stress Induced Atherosclerosis in Mice

1European Institute for Molecular Imaging, Westfälische Wilhelms-University Münster, 2British Heart Foundation Cardiovascular Sciences Unit, Imperial College London, 3Department of Bioengineering, Imperial College London, 4Biomedical Engineering, Eindhoven University of Technology


JoVE 3308

 JoVE Medicine

Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli

1Molecular Imaging and Neurovascular Research Laboratory, Dongguk University College of Medicine, 2Biomedical Research Center, Korea Institute of Science and Technology, 3Research Institute of Advanced Materials, Department of Materials Science and Engineering, Seoul National University, 4Departments of Radiology and Cancer Systems Imaging, University of Texas M.D. Anderson Cancer Center


JoVE 54294

 JoVE Medicine

In vivo Near Infrared Fluorescence (NIRF) Intravascular Molecular Imaging of Inflammatory Plaque, a Multimodal Approach to Imaging of Atherosclerosis

1Cardiovascular Research Center and Cardiology Division, Massachusetts General Hospital, Harvard Medical School, 2Institute for Biological and Medical Imaging, Helmholtz Zentrum München und Technische Universität München, 3Department of Electrical and Computer Engineering, Northeastern University


JoVE 2257

12345678915
More Results...
Waiting
simple hit counter