People with schizophrenia have difficulty focusing attention.This is most likely related to a smaller-than-normal

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The thalamus is responsible for relaying sensory information to the cortex and plays a crucial role in regulating attention. Studies have shown that individuals with schizophrenia have a smaller than normal thalamus, which may contribute to their difficulty focusing attention. The other brain regions listed (cerebellum, hypothalamus, pituitary gland) are not directly involved in attention regulation.

People with Schizophrenia Have Difficulty Focusing Attention