Assessment & Research

Magnetic resonance imaging of the post-mortem autistic brain.

Schumann et al. (2001) · Journal of autism and developmental disorders 2001
★ The Verdict

A 2001 MRI recipe gives a 3-D map of the autistic brain after death so every later slice has a coordinate.

✓ Read this if BCBAs who share MRI data with brain banks or neuropathology teams.
✗ Skip if Clinicians who only use live-brain scans for diagnosis.

01Research in Context

01

What this study did

The team built an MRI recipe for scanning autistic brains after death. They used a proton-density sequence. This keeps a 3-D picture before the brain is sliced.

No people were treated. The paper is a methods guide.

02

What they found

The protocol worked. It gave a clear, permanent map of the whole brain. The scan can later be matched to tiny tissue slices.

03

How this fits with other research

Matson et al. (2011) looked at the same brains, but under a microscope. They found disorganized layers in the posterior cingulate. The MRI map from Richman et al. (2001) shows where those layers sit before you cut.

Totsika et al. (2023) review newer live-brain MRI tricks like arterial-spin labeling. They say the old post-mortem map is still key for checking findings.

Abulebda et al. (2018) sedate living autistic kids for MRI. Their work needs the brain to stay alive. Richman et al. (2001) is for when the brain is no longer alive, so the two methods do not clash—they fill different gaps.

04

Why it matters

If you work with neuroimaging data, this 2001 protocol is the reference for matching autistic brain scans to later tissue work. Share the 3-D file with pathologists so every slice has a GPS coordinate. This keeps your data set clean and comparable across labs.

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Email your MRI team and ask if they keep proton-density scans of autistic donors before sectioning.

02At a glance

Intervention
not applicable
Design
methodology paper
Population
autism spectrum disorder
Finding
not reported

03Original abstract

Magnetic resonance imaging (MRI) is a valuable, noninvasive tool for understanding structural abnormalities in the brain. The M.I.N.D. Institute at UC Davis has developed a protocol utilizing MRI to investigate anatomical differences in the post-mortem brain by applying a proton density weighted imaging sequence for optimal differences in image intensity (contrast) between gray and white matter. Images of the brain obtained prior to distribution of tissue and further neuropathological examination provide a record of how the brain appeared prior to tissue processing. The virtual representation of the whole brain can also be subjected to additional analyses, such as measuring the volume of brain regions or area of the cortical surface. We describe our procedures for carrying out post-mortem MRI of the human brain.

Journal of autism and developmental disorders, 2001 · doi:10.1023/a:1013294927413