Source 1primary paper2026MED
Toolkit/electroencephalogram
electroencephalogram
Also known as: EEG
Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.
Summary
We conducted comprehensive longitudinal assessments using ... electroencephalogram (EEG) to analyze neurophysiological dynamics.
Usefulness & Problems
Why this is useful
EEG is used here to analyze neurophysiological dynamics over the course of thalamic tFUS treatment. The reported readout is progressive suppression of pathological slow-wave power in frontal regions.; longitudinal analysis of neurophysiological dynamics; monitoring slow-wave spectral changes during treatment
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EEG is used here to analyze neurophysiological dynamics over the course of thalamic tFUS treatment. The reported readout is progressive suppression of pathological slow-wave power in frontal regions.
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longitudinal analysis of neurophysiological dynamics
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monitoring slow-wave spectral changes during treatment
Problem solved
It provides a way to monitor whether abnormal cortical rhythms normalize during recovery. In this case it tracked reductions in frontal Delta and Theta power.; provides a modality for tracking pathological slow-wave activity during treatment
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It provides a way to monitor whether abnormal cortical rhythms normalize during recovery. In this case it tracked reductions in frontal Delta and Theta power.
Source:
provides a modality for tracking pathological slow-wave activity during treatment
Problem links
provides a modality for tracking pathological slow-wave activity during treatment
LiteratureIt provides a way to monitor whether abnormal cortical rhythms normalize during recovery. In this case it tracked reductions in frontal Delta and Theta power.
Source:
It provides a way to monitor whether abnormal cortical rhythms normalize during recovery. In this case it tracked reductions in frontal Delta and Theta power.
Published Workflows
Objective: To longitudinally evaluate clinical and neural outcomes following right central thalamic transcranial focused ultrasound treatment in a patient with chronic minimally conscious state.
Why it works: The paper presents a multimodal longitudinal design in which behavioral scales, fNIRS connectivity, and EEG spectral measures are tracked alongside repeated thalamic tFUS sessions to assess whether clinical recovery parallels neural reorganization.
modulation of thalamus-linked consciousness circuitrynormalization of dysfunctional cortical rhythmsreintegration of large-scale brain networkstranscranial focused ultrasound treatmentlongitudinal clinical assessmentresting-state fNIRS monitoringEEG spectral monitoring
Stages
- 1.Therapeutic tFUS treatment course(functional_characterization)
This stage delivers the neuromodulation intervention whose clinical and neural effects are being evaluated.
Selection: Repeated right central thalamus stimulation was administered as the intervention under study.
- 2.Longitudinal clinical and multimodal neural assessment(confirmatory_validation)
This stage tests whether behavioral recovery is accompanied by neural reorganization and whether the intervention is tolerated.
Selection: Behavioral scales, fNIRS, and EEG were used to assess clinical and neural outcomes after treatment.
Steps
- 1.Administer repeated right central thalamic tFUS sessionstherapeutic neuromodulation intervention
To apply non-invasive thalamic neuromodulation in a patient with chronic minimally conscious state.
The intervention must be delivered before longitudinal outcomes can be assessed.
- 2.Assess behavioral recovery with clinical scales
To measure clinical changes in consciousness and behavior over the treatment course.
Clinical assessment is needed to determine whether the intervention is associated with meaningful behavioral recovery.
- 3.Measure cortical functional connectivity with resting-state fNIRSnetwork monitoring assay
To track cortical functional connectivity changes accompanying treatment.
fNIRS provides a neural network-level readout to interpret whether behavioral recovery is accompanied by cortical reorganization.
- 4.Analyze neurophysiological dynamics with EEGspectral monitoring assay
To monitor neurophysiological dynamics and pathological slow-wave activity during treatment.
EEG provides a complementary neural readout to test whether recovery parallels normalization of dysfunctional cortical rhythms.
Taxonomy & Function
Primary hierarchy
Technique Branch
Method: A concrete measurement method used to characterize an engineered system.
Techniques
Functional AssayTarget processes
No target processes tagged yet.
Implementation Constraints
cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: sensor
The abstract supports repeated EEG measurements during the intervention period. Specific electrode setup, preprocessing, and spectral analysis details are not provided.; requires longitudinal EEG assessment during the treatment course
The abstract does not establish mechanistic causality from EEG changes alone or provide quantitative thresholds for response. It also does not compare EEG against other standalone monitoring methods.; the abstract does not provide quantitative band-power statistics; used as a monitoring modality rather than as the intervention itself
Validation
Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication
Observations
successHuman Clinicaltherapeutic usehuman
EEG
Inferred from claim c3 during normalization. Thalamic transcranial focused ultrasound was associated with progressive suppression of pathological frontal Delta and Theta power on EEG. Derived from claim c3. Quoted text: EEG analysis showed a marked, progressive suppression of pathological slow-wave (Delta and Theta) power in frontal regions.
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Supporting Sources
Ranked Claims
Thalamic transcranial focused ultrasound was associated with enhanced cortical functional connectivity, especially within the prefrontal cortex and between prefrontal-sensorimotor networks.
fNIRS revealed a systematic enhancement of functional connectivity, especially within the prefrontal cortex and between prefrontal-sensorimotor networks.
The thalamic transcranial focused ultrasound intervention was well-tolerated with no adverse events or structural brain changes observed in this case.
The intervention was well-tolerated with no adverse events or structural brain changes observed.
Thalamic transcranial focused ultrasound was associated with progressive suppression of pathological frontal Delta and Theta power on EEG.
EEG analysis showed a marked, progressive suppression of pathological slow-wave (Delta and Theta) power in frontal regions.
Right central thalamic transcranial focused ultrasound was associated with progressive behavioral recovery and emergence from the minimally conscious state in a patient with chronic disorder of consciousness.
A patient in a chronic minimally conscious state underwent a course of tFUS treatment targeting the right central thalamus... The patient demonstrated a progressive and clinically significant behavioral recovery, ultimately emerging from the minimally conscious state.
session duration 20 minutessessions per week 3 sessions/weektotal sessions 12 sessionstreatment duration 4 weeks
Approval Evidence
1 source1 linked approval claimfirst-pass slug electroencephalogram
We conducted comprehensive longitudinal assessments using ... electroencephalogram (EEG) to analyze neurophysiological dynamics.
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spectral modulationsupports
Thalamic transcranial focused ultrasound was associated with progressive suppression of pathological frontal Delta and Theta power on EEG.
EEG analysis showed a marked, progressive suppression of pathological slow-wave (Delta and Theta) power in frontal regions.
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Comparisons
Source-stated alternatives
The paper uses EEG alongside fNIRS and clinical scales as complementary modalities.
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The paper uses EEG alongside fNIRS and clinical scales as complementary modalities.
Source-backed strengths
captured progressive suppression of frontal Delta and Theta power in this case; used as part of a multimodal longitudinal monitoring strategy
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captured progressive suppression of frontal Delta and Theta power in this case
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used as part of a multimodal longitudinal monitoring strategy
Compared with functional near-infrared spectroscopy
The paper uses EEG alongside fNIRS and clinical scales as complementary modalities.
Shared frame: source-stated alternative in extracted literature
Strengths here: captured progressive suppression of frontal Delta and Theta power in this case; used as part of a multimodal longitudinal monitoring strategy.
Relative tradeoffs: the abstract does not provide quantitative band-power statistics; used as a monitoring modality rather than as the intervention itself.
Source:
The paper uses EEG alongside fNIRS and clinical scales as complementary modalities.
Ranked Citations
- 1.