Which lobe of the brain is responsible for speech?
Correct answer: A. Frontal
- A. Frontal
- B. Parietal
- C. Temporal
- D. Occipital
Explanation
The frontal, temporal and parietal lobes of the forebrain all formulate the words to be spoken, while the motor cortex in the frontal lobe enables you to speak the words. The left frontal lobe, particularly Broca's area, is crucial for speech production. This region is responsible for planning and coordinating the movements needed for speech. Damage to Broca's area can result in expressive aphasia, where individuals have difficulty forming complete sentences, despite being able to understand language.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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