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Scientists Discover Chronic Back Pain Can Change How Your Brain Sees You (opens in a new tab)

scitechdaily.com · 2026-10-22

Short answerEvidenceSource

Short answer

Mostly not supported

Mostly not supported.

One key claim is not backed by the study. 2 other points were not covered by the paper.

  • 1 supported
  • 1 overstated
  • 1 not supported
  • 2 not covered

Checked against the study summary. The full text wasn't available, so some details couldn't be settled either way.

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Follow the evidence trail
1
2

NewsLink checks it

Mostly not supported

Two claims go beyond the study. One overstates it and one isn't supported at all. Two claims the study doesn't address.

  • 1 supported
  • 1 overstated
  • 1 not supported
  • 2 not covered
Open claim evidence
3
Then inspect each claim

Evidence layer

Claim by claim

Each claim gets a verdict. Expand it to see the evidence directly below.

5 claims in this story

Showing all 5 claimsChoose a verdict to focus the list.

Claim 1 of 5Not supportedThe story says mindfulness meditation and psilocybin are being investigated as approaches that may help people separate pain from their sense of self, but that larger studies are needed to confirm benefits and clarify how they work.View evidenceHide evidence

Why this verdict

The supplied paper profile describes observational ASL and resting-state fMRI analyses in chronic low back pain. It does not report mindfulness meditation, psilocybin, intervention testing, or evidence that these approaches separate pain from sense of self. The larger-studies caveat is prudent, but the intervention claim is not supported by the paper profile.

Claim 2 of 5OverstatedThe findings, published October 5, 2026, in the British Journal of Anaesthesia, may help explain why treatments focused on pain symptoms often fall short and raise the possibility of treating the relationship between pain and identity.View evidenceHide evidence

Why this verdict

The abstract-level profile supports publication-related scientific findings about DMN/nociceptive-sensorimotor coupling in chronic low back pain, but it does not provide treatment data or directly test why symptom-focused treatments fail. Even hedged as “may,” using this observational imaging result to explain treatment shortcomings and propose treating the pain-identity relationship goes beyond the abstract evidence. The publication date and journal are also not verifiable from the supplied profile.

1

Study evidence

The leg raise test produced significant increases in self-reported pain: pain intensity increased by 23% and unpleasantness by 26% (both P < 0.001).23% (intensity); 26% (unpleasantness)

“A total of 114 participants with cLBP performed the cLBP-evoking leg raise test during perfusion-based arterial spin labelling functional MRI.”
2

Study evidence

Higher BPI pain severity was associated with stronger resting-state functional connectivity between the default mode network and somatosensory cortex representing the back.

“The Brief Pain Inventory (BPI) measured chronic pain severity and interference.”
Claim 3 of 5Not coveredResearchers at UC San Diego School of Medicine found that movement-triggered flares in people with chronic low back pain activated a brain network associated with identity and inward reflection, while painful heat produced the opposite response.View evidenceHide evidence

Why this verdict

The movement-triggered flare portion is supported: the abstract reports ASL fMRI during leg raise test pain and increased CBF in core DMN nodes. However, the claim that a painful heat stimulus produced the opposite response is not present in the abstract-level profile, which describes comparison of supine versus leg raise test and does not report a heat-stimulus condition. That part cannot be verified at the supplied abstract depth.

1

Study evidence

The leg raise test produced significant increases in self-reported pain: pain intensity increased by 23% and unpleasantness by 26% (both P < 0.001).23% (intensity); 26% (unpleasantness)

“A total of 114 participants with cLBP performed the cLBP-evoking leg raise test during perfusion-based arterial spin labelling functional MRI.”
Claim 4 of 5Not coveredThe study involved 114 people with chronic low back pain who underwent a leg raise test and a painful heat stimulus while brain blood flow was measured with arterial spin labeling fMRI.View evidenceHide evidence

As stated114 participants

Why this verdict

The abstract profile supports 114 chronic low back pain participants, leg raise test pain provocation, and arterial spin labelling fMRI measurement of cerebral blood flow. It does not report that participants also underwent a painful heat stimulus during the same ASL fMRI protocol, so that methods detail is not verifiable at abstract depth.

1

Study evidence

The leg raise test produced significant increases in self-reported pain: pain intensity increased by 23% and unpleasantness by 26% (both P < 0.001).23% (intensity); 26% (unpleasantness)

“A total of 114 participants with cLBP performed the cLBP-evoking leg raise test during perfusion-based arterial spin labelling functional MRI.”
Claim 5 of 5SupportedA chronic back pain flare may switch on a brain network tied to identity, linking physical pain with how you see yourself.View evidenceHide evidence

Why this verdict

The abstract profile supports that movement-evoked chronic low back pain during a leg raise test increased cerebral blood flow in medial prefrontal and posterior cingulate cortices, described as core default mode network nodes, and interprets these regions as self-referential/DMN circuitry. The headline is hedged with “may” and frames the result associationally, so it does not clearly outrun the paper evidence at abstract depth.

1

Study evidence

The leg raise test produced significant increases in self-reported pain: pain intensity increased by 23% and unpleasantness by 26% (both P < 0.001).23% (intensity); 26% (unpleasantness)

“A total of 114 participants with cLBP performed the cLBP-evoking leg raise test during perfusion-based arterial spin labelling functional MRI.”
2

Study evidence

Higher BPI pain severity was associated with stronger resting-state functional connectivity between the default mode network and somatosensory cortex representing the back.

“The Brief Pain Inventory (BPI) measured chronic pain severity and interference.”
Then look for missing context

Context layer

What the story left out

Important study details the story did not include.

  • The abstract-reported comparison is supine baseline versus leg raise test; a painful heat-stimulus condition and opposite heat response are not reported in the supplied abstract profile.

    The story presents heat pain as part of the study comparison, but the paper profile at abstract depth does not include this task condition. This is a material mismatch because it changes the claimed contrast underlying the DMN interpretation.

    From Within-subject ASL perfusion fMRI with leg raise test

  • Higher leg raise test-evoked pain intensity was associated with greater activity in superior parietal, supramarginal, and bilateral sensorimotor cortical regions.

    The story focuses on DMN/identity framing and does not convey this pain-rating association with sensorimotor and parietal activity, which is a distinct reported result.

    From Within-subject ASL perfusion fMRI with leg raise test

  • Resting-state analysis: higher chronic pain severity was associated with stronger DMN–somatosensory cortex functional connectivity.

    The story gestures toward pain and identity but does not clearly report the separate resting-state functional connectivity result tied to Brief Pain Inventory severity.

    From Observational resting-state functional connectivity analysis

  • The abstract profile does not report a healthy control group or task conditions beyond supine baseline and leg raise test.

    The story does not acknowledge the absence of a control group and instead introduces an additional heat-pain comparator not present in the abstract profile.

    From Within-subject ASL perfusion fMRI with leg raise test

3 things the story did carry across
  • Primary design: observational within-subject human imaging study of 114 people with chronic low back pain using a leg raise test during ASL perfusion fMRI.
  • Key task finding: movement-evoked low back pain increased CBF in core DMN regions, including medial prefrontal and posterior cingulate cortex, along with nociceptive/sensorimotor regions.
  • Major limitation: the study is observational and associative, so it cannot establish causal mechanisms or prove treatment implications.
Then read the study layer

Study layer

Study at a glance

Scan the study first. Expand only the parts you want to inspect.

Pieces of work

2

Evidence read

study summary

Lead result

human in vivo

1Lead resulthuman in vivoCharacterise brain cerebral blood flow responses to movement-evoked pain in chronic low back pain during the leg raise test, and relate perfusion changes to evoked pain ratings.Within-subject ASL perfusion fMRI with leg raise testExpand

In plain English

Observational within-subject ASL perfusion fMRI study (n=114) using a leg raise test (LRT) to evoke movement-related pain in people with chronic low back pain (cLBP). Compared cerebral blood flow (CBF) between supine and LRT and related CBF changes to LRT-evoked pain intensity (VAS). Movement-evoked pain increased self-reported pain and was accompanied by increased CBF in default mode network nodes and nociceptive/sensorimotor regions; higher evoked pain ratings correlated with greater sensorimotor and parietal activity. An additional resting-state analysis linked chronic pain severity (BPI) to stronger DMN–somatosensory connectivity.

Key findings

  • The leg raise test produced significant increases in self-reported pain: pain intensity increased by 23% and unpleasantness by 26% (both P < 0.001).23% (intensity); 26% (unpleasantness)
  • Movement-evoked pain (LRT vs supine) increased cerebral blood flow in medial prefrontal cortex and posterior cingulate cortex (core DMN nodes), thalamus, primary motor cortex (back representation), and parietal operculum.
“A total of 114 participants with cLBP performed the cLBP-evoking leg raise test during perfusion-based arterial spin labelling functional MRI.”
What this piece can’t prove
  • Design is observational within-subject; associations do not establish causal mechanisms.
  • Abstract does not report a healthy control group or alternative task conditions beyond supine baseline.

3 further details could not be confirmed from the summary.

2human in vivoIdentify resting-state functional connectivity patterns (default mode network to whole brain/somatosensory cortex) associated with chronic pain severity/interference in cLBP.Observational resting-state functional connectivity analysisExpand

In plain English

In a cohort of 114 people with chronic low back pain, resting-state fMRI functional connectivity analyses tested whether default mode network (DMN) connectivity to the whole brain — in particular somatosensory cortex representing the back — was associated with chronic pain severity measured by the Brief Pain Inventory (BPI). The study reports that higher BPI pain severity was associated with stronger DMN–somatosensory (back representation) resting-state functional connectivity, consistent with maladaptive coupling between self-referential and somatosensory networks.

Key findings

  • Higher BPI pain severity was associated with stronger resting-state functional connectivity between the default mode network and somatosensory cortex representing the back.
“The Brief Pain Inventory (BPI) measured chronic pain severity and interference.”
What this piece can’t prove
  • Abstract does not report statistical values (e.g., effect sizes, confidence intervals, p-values) for the reported DMN–somatosensory connectivity association with BPI severity.
  • Abstract provides no details on resting-state preprocessing, motion control, or multiple comparisons correction for the connectivity analyses.

1 further detail could not be confirmed from the summary.

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Papers considered

The selected paper, plus nearby candidates.

PubMed, Europe PMC, Crossref · 24 candidate papers

And 18 more candidates considered.