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Application to Neuroscience.docx

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Kinesiology & Health Science
KINE 3670
Robert Crawford

1 Half of the text book is used for the course 3. Anatomy of the nervous system Things might be changed between the textbook and slides 4 Formation of the nervous system After fertization, there is the mesoderm which are the bones and muscles Ectoderm is the nervous system and the skin Endoderm - internal organs (viscera) mRNA - expresses different tissue levels It is impossible for brain biopsy If skin and nervous system comes from ectoderm - then that means that we can use skin cells to determine what is happening on the nervous system 5 Neurulation - the process by which the neural plate becomes a tube 22 days after conception Green layer is the endoderm and will produce a tube called neuro tube Then there will be a layer which will form a crest This long tube will become a brain tube and a head and spinal cord The purple which is the neural crest is the PNS 6 Overtime the neural tube will form, but sometimes when baby is developing and lacks folic acid, it can have spina bifida Cells will divide but lack of folic acid will have gaps in the neural tube 7 Anterior - front Posterior back Frontal lobe Brain stem 8. Dorsal - top of head Ventral - bottom 9. Sagittal - purple 10. CNS divided into gray and white matter SOMA 11. White matter - looks white However it is reverse for spinal cord Gray on the inside and white on the outside for spinal cord 12 13. 14. 15. Brainstem 16. Cerebellum - little brain because it is separate Important for balance and movement 17. Thalamus - conveys information Receives all messages from the SC and then sends it to other places Hypothalamus - connects with thalamus 18. Cerebrum - composed of 3 parts Cortex - big Corpus allosum DEEPER STRUCTURES develop first - for system regulation Corpus callosum - separate right and left hemisphere These C shape are myelinated which is important 19 There are patients with lack of corpus callosum and they develop Primordial Dwarfism You can live without the corpus callosum but limited function 20 Need to remember this BG has caudate nucleus, putamen, globus pallidus - limited of these can have defective or deficit fx and this can be parkison's disease That means that lack of this can limit movement control area BG and PC develop later However, Amygdala develops early in babies PC isn't developed until 20s so that you can see how you develop 21 KNOW THIS know the frontal lobe, etc 22 Central sulcus - divides frontal with parietal lobe Sylvian fissure - divides frontal and temporal Alzehmier Patients - when disease progresses, parietal lobes becomes smaller - you can measure it 23. Frontal lobe - makes decision Motor cortex - fine movement Somatosensory cortex - sensation Parietal lobe - perception - spelling and arithmetic Temporal love - memory, understanding and language Occipital love - vision SC - conveys info 24. PC It is big and develops later in life Pruning - when the NS (at the beginning it makes a lot of connection) reduce in synapses because there is a lot of connection The reduction is known as pruning Executive fx - this is very board 25. Tw
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