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    Lumbar Puncture Demonstration – L3-L4 – Neuroscience Lab

    Dr Sanjoy Sanyal, Professor and Course Director of Neuroscience in the Caribbean, demonstrating the technique of Lumbar Puncture on an electronic digital mannikin, to Med 3 Neuroscience students on 27 July 2012 in the Physical Diagnosis lab at the Medical University of the Americas, Nevis, St.Kitts-Nevis, West Indies. The mannikin was specially ordered from the US and has a digital screen for LP Manometry recording. The procedure was performed between L3 and L4 spinous processes, using the Supracristal Plane as the landmark. The 26-gauge needle used in the demonstration was an actual LP needle procured from Alexandra Hospital in Nevis. After the demonstration, every student had a chance to get a hands-on experience in performing an LP. Camera credit goes to Shafiq Shabir Mohamed, Med 3 student, Summer 2012 batch, MUA.

     
    Submitting Author:
    Dr. Sanjoy Sanyal
    Authors:
    Dr. Sanjoy Sanyal
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    Human Brain demonstration Dr Sanjoy Sanyal Neuroscience Lab - Part 1

    Demonstrating parts of cerebral cortex in Neuroscience Lab on 2 June 2011 in Medical University of the Americas, St. Kitts-Nevis, by Dr Sanjoy Sanyal, Primary Professor and Course Director of Neuroscience
    Thanks to Mark Lessard (IT Administrator) and Sonja Langley (Med 3 Class President) for setting up the audio-visual equipment, to Irina Mammadbayova (Med 3 student) for recording the presentation, to Chris Robinson (Med 4 student) for editing the video, and to ALL my students for, well, being my students! This is first of a 2-part series

     
    Submitting Author:
    Dr. Sanjoy Sanyal
    Authors:
    Dr. Sanjoy Sanyal
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    Human Brain demonstration Dr Sanjoy Sanyal Neuroscience Lab - Part 2

    Demonstrating parts of cerebral cortex in Neuroscience Lab on 2 June 2011 in Medical University of the Americas, St. Kitts-Nevis, by Dr Sanjoy Sanyal, Primary Professor and Course Director of Neuroscience
    This is second of a 2-part series.

    Tags: Brain, Cerebral cortex, Neuroscience, Lecture, Neuroscience Lab, Sulci, Gyri, Functional areas, MUA Nevis, MUA, Nevis, Medical University of Americas, Frontal lobe, Parietal lobe, Temporal lobe, Occipital lobe, lobes, Cingulate, Wernicke, Broca, PFC, Primary motor, Primary sensory, Central sulcus, Lateral fissure, Aphasia, Broca aphasia, Wernicke aphasia, Conduction aphasia, Perisylvian aphasia, Thalamus, Brainstem, Central pontine myelinolysis, Midbrain, Pons, Medulla, Hypothalamus, Cerebellum, Frontal eye field, Gerstmann syndrome

     
    Submitting Author:
    Dr. Sanjoy Sanyal
    Authors:
    Dr. Sanjoy Sanyal
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    Ventricles 3-4 Part 1 Demonstration by Dr Sanjoy Sanyal Neuroscience Lab

    Demonstrating 3rd and 4th Ventricles of human brain in Neuroscience Lab  in St. Kitts-Nevis, by Dr Sanjoy Sanyal, Professor and Course Director of Neuroscience in Caribbean.

    It demonstrates the structures around 3rd and 4th ventricles of human brain. This is first part of a series of 2 videos.

    Thanks to Sonja Langley (Med 3 Class President) for setting up the audio-visual equipment and to Chris Robinson (Med 4 student) for editing the video.

     
    Submitting Author:
    Dr. Sanjoy Sanyal
    Authors:
    Dr. Sanjoy Sanyal
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    Ventricles 3-4 Diencephalon Brainstem Part 2 Demonstration Dr Sanjoy Sanyal MUA Neuroscience Lab

    Demonstrating 3rd and 4th Ventricles of human brain in Neuroscience Lab in St Kitts-Nevis, by Dr Sanjoy Sanyal, Professor and Course Director of Neuroscience in the Caribbean.

    This video demonstrates the 3rd and 4th vetricles and structures around them in the human brain. This is second part of a series of 2 videos.

    Thanks to Sonja Langley (Med 3 Class President) for setting up the audio-visual equipment and to Chris Robinson (Med 4 student) for editing the video.

    Corrigendum: There is the occasional slip of tongue in the impromptu commentary. The Septal nucleus is inadvertently referred to as Pretectal nucleus. The Decussation of Superior Cerebellar Peduncle is inadvertently referred to as Decussation of Pyramids

     
    Submitting Author:
    Dr. Sanjoy Sanyal
    Authors:
    Dr. Sanjoy Sanyal
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    Hippocampus - Fornix Dissection Demonstration in Human Brain

    Dissection and commentary of formalinized human brain specimen to show Hippocampus (seat of new learning and memory consolidation) and Fornix (connecting tract of Hippocampus), by Dr Sanjoy Sanyal, Dean of Medical Sciences and Professor of Neuroscience. The dissection was performed in 20th June 2011 in Neuroscience Lab in Medical University of the Americas (MUA), Nevis, St.Kitts-Nevis. Camera credit goes to Sonja Langley (former Med 3 student) and video editing credit goes to Chris Robinson (Former Med 4 student) in MUA.

     
    Submitting Author:
    Dr. Sanjoy Sanyal
    Authors:
    Dr. Sanjoy Sanyal
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    Clonus

    Clonus is defined as recurrent uninhibited contraction of a skeletal muscle [ often a group of muscles ] to persistent stretch.  This may result due to disease affecting the  pyramidal tract and occasionally extra-pyramidal tract. The video shows the classical ankle clonus which is obtained by  supporting the leg by holding the upper part of the calf muscle just below popliteal fossa  and  passive   dorsiflexion of  the ankle joint. This passive dorsiflexion  should be quick and the stretch  must be sustained for sometime. The   video shows recurrent  oscillation of the  ankle joint due to persistent contraction of the muscles contributing to achiles tendon [  gastronemius and soleus ] .The quick  passive dorsiflexion is maintained for 20 seconds in the video. This patient was suffering from cerebro-vascular accident . Presence of  sustained clonus indicates a severe pyramidal tract involvement. An ill sustained clonus for few seconds may occur in anxious patients and those suffering from psychiatric illness.  

     
    Submitting Author:
    Dr. Emmanuel Bhaskar
    Authors:
    Dr. Emmanuel Bhaskar

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