The Other Side of Dr. Xeno's Brain

It's me, Dr. Xeno. Here are lecture notes and ideas for my work teaching physical and cognitive development across the lifespan (HDEV 3101) at the Department of Human Development at CSU, East Bay. This content is often referred to as mind-brain, mind body connection, brain and behavior; but it is really about the knowledge derived from the related fields of neurology, neuropsychology, neuroscience and cognitive science. Sometimes I just write about my kids or bike racing. Feel free to comment!

Tuesday, November 27, 2007

Myelin Nation


It's worth noting that much of the brain is NOT made up of neurons - their is more cranial space consisting of myelin and CSF than 'brain cells'. Areas thick with the fatty glia cells that make up the myelin sheat are seen as 'white matter' and are axon rich (also called 'pathways') whereas areas with little myelin are seen as 'gray matter' and conist largely of neuron cell bodies (also called 'nuclei'). Any empty space is filled with CSF, or cerebrospinal fluid.
I found a great resource for teaching/learning body basics - it's called Get Body Samrt.

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