These scans look at metabolic activity. Researchers use PET scans to see how the brain is utilizing glucose, often finding reduced activity in the motor cortex of ALS patients.
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| Tip | Why It Matters | |-----|----------------| | (e.g., 3 T, 1 mm isotropic T1) | Ensures comparability across sites and longitudinal scans. | | Include a control cohort (age‑matched healthy volunteers) | Critical for interpreting subtle DTI or MRS changes. | | Document disease onset region (bulbar, limb, respiratory) | Imaging signatures differ by onset site. | | Use the same scanner for follow‑up | Minimizes hardware‑related variability. | | Store raw data in BIDS format | Facilitates sharing and reproducible analysis. | | Consider patient comfort – short sequences (<30 min) improve compliance, especially in advanced disease. | Reduces motion artifacts and dropout. |
Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig's disease, is a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord. The motor neurons, which control voluntary muscle activity such as speaking, walking, swallowing, and general movement of the body, are specifically impacted. As ALS progresses, these motor neurons degenerate and die, leading to a loss of muscle control.