Biology I - Nervous System - Brain Structure - Hemispheric Differences, The Old Brain
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9 Terms
Q: What does contralateral control refer to?
A: Each brain hemisphere controls the opposite side of the body (except smell).
Q: What functions are typically dominant in the left hemisphere?
A: Language and analytic processing.
Q: What is the nondominant hemisphere specialized for?
A: Emotion, creativity, music, and holistic thinking.
Q: How do the brain hemispheres communicate?
A: Through the corpus callosum.
Q: Which brain structure relays almost all sensory input except smell?
A: Thalamus.
Q: What basic functions does the brainstem regulate?
A: Heart rate, breathing, and nerve signal crossover.
Q: What is the role of the reticular formation?
A: Regulates arousal, alertness, and sleep-wake transitions.
Q: What is the cerebellum’s primary function?
A: Coordinating and refining voluntary movement.
Q: How does brain hemisphere dominance relate to handedness?
A: The dominant hemisphere is usually opposite your dominant hand (e.g., left brain for right-handed people).