MRI And Dementia: Why A Normal Scan Isn't Enough

A normal MRI does not rule out dementia.If you've ever received a brain scan report filled with terms like hippocampal atrophy or cortical volume loss and wondered what they actually mean, this episode breaks it all down in plain, easy-to-understand language.Rosabel explains what the most common brain scans can—and can't—tell us about dementia, Alzheimer's disease, Lewy body dementia, and Parkinson's disease. You'll learn why structural scans often appear normal in the early stages of dementia, how functional imaging reveals changes before symptoms become severe, and what questions to ask your neurologist after imaging results.In this episode, you'll learn:Why a "normal" MRI doesn't rule out dementiaThe difference between MRI, CT, FDG-PET, and SPECT scansHow amyloid PET and tau PET scans can detect Alzheimer's disease years before symptoms appearWhy DaTscan is important for distinguishing Lewy body dementia from Parkinson's diseaseThree essential questions to ask your doctor after a brain scanWhether you're a caregiver, family member, or someone seeking answers about memory changes, this episode will help you better understand what brain imaging can—and cannot—reveal.💛 Free Resource for CaregiversDownload Rosabel's Understanding Dementia for Caregivers Guide to gain practical insights and confidence as you navigate the dementia journey:https://rosabelzohfeld.com/understanding-dementia/Connect with Rosabel Zohfeld🌐 Website: https://rosabelzohfeld.com📚 Free Resources: https://rosabelzohfeld.com/rosabelievers/📸 Instagram: @rosabelunscripted🎵 TikTok: @rosabelzohIf you found this episode helpful, please follow the podcast, leave a rating and review, and share it with someone who may need this information. Your support helps more caregivers and families access evidence-based education about dementia and brain health.