What is the clinical evidence from this study?

Population: Stress Assessment (n=6). Intervention: Montreal Imaging Stress Task (MIST) vs. Relaxation session. Primary outcome: Difference in prefrontal relative gamma power between stress levels (HR 0.8, p=<0.01).

September 21, 2016Frontiers in Computational NeuroscienceOpen Access

Stress Assessment by Prefrontal Relative Gamma

Q: What are the key findings of this study?

Prefrontal relative gamma significantly differentiated stress levels, with an increase of 0.41 between SL2 and SL1 and a correlation of 0.8 with heart rate.

Q: What does this research mean for the field?

Prefrontal relative gamma significantly differentiates stress levels, with an increase of 0.41 between SL2 and SL1 and a correlation of 0.8 with heart rate. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

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Key result

Prefrontal relative gamma differentiates acute stress levels and shows a ~0.8 correlation with heart rate.

HR 0.8
P<0.01
n=6

Why the study?

Does prefrontal relative gamma power (RG) accurately reflect stress levels and correlate with heart rate in healthy subjects undergoing a stress-inducing task?

Population

n=6 healthy young volunteers, mean age 26.3 ± 6.4 years. Exclusions: previous experience in EEG or…

Comparison

Montreal Imaging Stress Task consisting of a… vs Intra-subject comparison across three defined…

Follow-up

19 minutes

Authors

JMJesús MinguillónUniversitat Pompeu Fabra MLM. A. López-GordoAlbert Einstein College of Medicine FPFrancisco PelayoCalifornia State University, Northridge

Discussion

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Implication

May support EEG-based stress monitoring in research; leaves open clinical adoption pending validation.

Structured PICO

Does prefrontal relative gamma power (RG) accurately reflect stress levels and correlate with heart rate in healthy subjects undergoing a stress-inducing task?

Population

n=6 healthy young volunteers, mean age 26.3 ± 6.4 years. Exclusions: previous experience in EEG or stress-related experiments, use of stimulants or relaxants within 24 hours prior to the experiment.

Intervention

Montreal Imaging Stress Task (MIST) consisting of a 3-minute training stage and a 6-minute test stage to induce acute psychosocial stress, followed by a 10-minute relaxation session, with continuous EEG and ECG monitoring.

Comparator

Intra-subject comparison across three defined stress levels: SL1 (middle of MIST training), SL2 (end of MIST test), and SL3 (end of relaxation session).

Outcome

Difference in prefrontal relative gamma power (RG) between time periods of different stress levels (SL1, SL2, SL3).surrogate

Main Result

Effect estimate: HR 0.8

p-value: p=<0.01

Prefrontal relative gamma power measured via EEG correlates with heart rate and expected stress levels, suggesting its potential as a high-temporal-resolution marker for ubiquitous stress assessment.

Limitations

Small sample size of only six healthy subjects.
Potential variability in individual stress responses.
Only six subjects participated in the study
Difficult to determine a 'healthy volunteer' about stress since there are many constraints (social, family, personal, and work) that may influence stress

Cite This Study

Minguillón et al. (2016) studied Stress Assessment (n=6). Montreal Imaging Stress Task (MIST) vs. Relaxation session was evaluated on Difference in prefrontal relative gamma power between stress levels (HR 0.8, p=<0.01). Prefrontal relative gamma significantly differentiated stress levels, with an increase of 0.41 between SL2 and SL1 and a correlation of 0.8 with heart rate.

synapsesocial.com/papers/695f70e1d408d4fcf44f86ab https://doi.org/10.3389/fncom.2016.00101

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Stress Assessment by Prefrontal Relative Gamma

Discussion

Member takes

Implication

Structured PICO

Main Result

Limitations

Cite This Study

Stress Assessment by Prefrontal Relative Gamma

Discussion

Member takes

Implication

Structured PICO

Main Result

Limitations

Cite This Study

Also Consider

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