Examination for Professional Practice of Psychology (EPPP) Practice Test

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Question: 1 / 145

What is a significant advantage of structural MRI over CT scans?

Less likely to require sedation

Detects electrical abnormalities

Provides functional brain activity information

Produces clearer images

Structural MRI has a significant advantage over CT scans in that it produces clearer images of the brain's anatomy. This is primarily due to MRI's ability to capture high-resolution images that delineate between different types of soft tissue more effectively than a CT scan. MRI utilizes magnetic fields and radio waves, which allow for more detailed imaging of brain structures, including differences in water content, which is particularly important in brain tissue. The enhanced clarity of MRI scans makes them more suitable for examining various brain conditions, identifying tumors, detailing anatomical anomalies, and visualizing lesions in greater detail than CT scans can offer. This superior resolution is crucial in clinical settings and research, where precise anatomical delineation is essential for diagnosis and treatment planning. In contrast, other imaging techniques such as CT scans are more limited in their ability to provide detailed anatomical information, often producing images that are less distinct, particularly for soft tissue.

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