A patient is experiencing difficulty with balance and coordinated movement as a result of a brain tumor. The tumor is most likely affecting which brain area?

Question

BlackTom AI · Accepted Answer

To approach this question, we first recall the brain regions associated with movement and balance. 
Option 1: amygdala. The amygdala is primarily involved in emotion processing and memory modulation, not balance or coordination, so this choice does not explain motor coordination issues. 
Option 2: cerebellum. The cerebellum is the brain region responsible for fine-tuning motor activity, maintaining balance, and coordinating voluntary movements. A tumor here commonly leads to ataxia, dysmetria, and gait disturbances, which fits the described symptoms. 
Option 3: thalamus. The thalamus acts as a relay center for sensory and motor information to the cortex, but bilateral coordination and balance problems are more characteristic of cerebellar dysfunction; thalamic lesions might cause sensory deficits or motor planning issues, not primary balance disturbances. 
Option 4: hippocampus. The hippocampus is key for memory formation and spatial navigation, not for executing or coordinating movement, so it wouldn’t typically produce balance impairment from a tumor. 
In summary, the symptom pattern described—difficulty with balance and coordinated movement—aligns best with dysfunction of the cerebellum, rather than the other listed structures, which have different primary roles.

PSYC-2010-003 (Spring 2025) Quiz 3 (Biology and Behavior)

A patient is experiencing difficulty with balance and coordinated movement as a result of a brain tumor. The tumor is most likely affecting which brain area?

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