Brian has crashed while riding his motorcycle. He is rushed to the local emergency room. If the doctors are concerned about brain damage, which of the imaging techniques would provide the most detail in terms of structural damage?

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In this question, we’re asked which imaging technique provides the most detail about structural brain damage.
Option 1: CT scan. CT is fast and good for identifying acute hemorrhages or fractures, but it has relatively limited soft-tissue contrast and detail compared to MRI, especially for subtle or non-hemorrhagic injuries.
Option 2: EEG. EEG measures electrical activity of the brain rather than its structure, so it cannot reveal structural damage like contusions, lacerations, or atrophy. This makes it inappropriate for assessing structural integrity.
Option 3: MRI. Magnetic resonance imaging offers superior soft-tissue contrast and high-resolution images of brain anatomy, making it the gold standard for detailing structural brain damage such as contusions, edema, gliosis, and microhemorrhages. It provides the most comprehensive structural information among the listed modalities.
Option 4: PET scan. PET assesses metabolic or molecular activity, not detailed anatomy. While useful for functional abnormalities or tumor metabolism, it does not give the best structural detail compared with MRI.
Overall, when the goal is detailed visualization of brain structure and potential structural injuries, MRI stands out as the most informative imaging modality among the options provided.

W25 PSYC D024 01Z Intro Psychobiology Week 2 Quiz

Brian has crashed while riding his motorcycle. He is rushed to the local emergency room. If the doctors are concerned about brain damage, which of the imaging techniques would provide the most detail in terms of structural damage?

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