The Brain

The Brain - Cognitive Neuroscience o How can we study the...

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Cognitive Neuroscience o How can we study the brain? CNS The Brain o 4 major lobes: frontal (in charge of coordinating different areas of the brain, personality), occipital (vision), parietal , temporal (auditory processing, visual identification, spacial locations) Spinal cord Systems Auditory system Visual systems Autonomic nervous systems Maps Somatosensory cortex for example Areas are topographically mapped to be similar to how it’s mapped on the body (sensory homunculus) Motor Homunculus Networks Collection of neurons Neurons Cells specialized in receiving, integrating, and transferring information within the nervous system Three classes: o Sensory: transmit information from sensory receptors to the brain (afferent) o Motor: Transmit commands from the brain to the muscles and glands of the body (efferent) o Interneurons: interconnect neurons The Neural Impulse: The Action Potential o Stimulation causes cell membrane to open briefly o Sodium flows until +40, then potassium flows out o Shift in electrical charge travels along neuron
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The Brain - Cognitive Neuroscience o How can we study the...

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