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Understanding the Cerebral Cortex: Functions and the Left vs. Right Brain Debate

The cerebral cortex is the outer layer of the cerebrum, responsible for many high-level brain functions including sensory perception, cognition, language, and decision-making. It has two hemispheres—left and right—each with distinct roles. The left hemisphere is often linked to verbal and analytical tasks, while the right hemisphere excels in spatial and holistic understanding. The notion of being "left-brained" or "right-brained" is a popular myth; in reality, both hemispheres work together. Research, including split-brain studies, helps illustrate the unique contributions of each side.

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Understanding the Cerebral Cortex: Functions and the Left vs. Right Brain Debate

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Presentation Transcript

  1. Prompt #6 • What is the cerebral cortex and what are a few of its functions?

  2. The Brain’s Hemispheres

  3. Are you left or right brained?

  4. Key • L • L • L • R • L • R • R • L • R • L • L • R • R • L • R • L • L • R • R • R • L • R • R • L • L • L • R • R • L • R • R • L

  5. Article (2013) Left vs. Right Brained Myth???

  6. Hemispheres Left Right Nonverbal—understanding the basics of language Spatial Holistic—focus on the whole • Verbal—speaking, understanding, reading, and writing • Mathematical • Analytic—focus on the pieces

  7. Connects the two hemispheres and allows them to communicate Corpus Callosum

  8. Split Brain Surgery (1950s) • Sever the corpus callosum • Last resort for severe epileptic seizures • Roger Sperry (won Nobel Prize for this research) & Michael Gazzaniga • Helped us know more about the specific functions controlled by each hemisphere

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