http://sfn.orgWhat is Neuroscience?
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What is the mind? Why do people feel emotions? What are the underlying causes of neurological and psychiatric disorders? These are among the many mysteries being unraveled by neuroscientists.
Neuroscience is the study of the
nervous system -- including the brain, the spinal cord, and networks of sensory nerve cells, or
neurons, throughout the body. Humans contain roughly 100 billion neurons, the functional units of the nervous system. Neurons communicate with each other by sending electrical signals long distances and then releasing chemicals called
neurotransmitters which cross
synapses -- small gaps between neurons.
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Critical components of the nervous system are
molecules, neurons, and the processes within and between cells. These are organized into large neural networks and systems controlling functions such as vision, hearing, learning, breathing and, ultimately,
all of human behavior. ...
http://sfn.org/index.aspx?pagename=whatIsNeuroscience
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