# B Complex Cognitive Performance Randomized Trial: What the Evidence Says
Canonical: https://www.migaku.app/guides/b-complex-cognitive-performance-randomized-trial-evidence-review
Category: evidence-review
Summary: B Complex Cognitive Performance Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first
Last reviewed: 2026-08-18
Reviewed by: Migaku Evidence Review
# B Complex Cognitive Performance Randomized Trial: What the Evidence Says

## Quick Answer

B Complex Cognitive Performance Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are systematic review, randomized trial, so conclusions should be framed as evidence-aware guidance rather than medical advice.

## Key Takeaways

- This page is generated only from sources stored in the Migaku evidence knowledge base.
- Current evidence mix: 1 systematic review, 1 randomized trial.
- Claims should be interpreted with the source type, study design, population, and publication date in mind.
- This article is educational and does not replace care from a qualified clinician.

## Evidence Map

| Source | Evidence type | Level | Date | Identifier |
| --- | --- | ---: | --- | --- |
| Effects of Acute and Chronic Physical Exercise on Esports Performance: A Systematic Review | systematic review | 1 | 2026-05-23 | 10.1186/s40798-026-01034-9 |
| Web-Based Gamified Auditory-Cognitive Dual-Task Training for Older Adults With Age-Related Hearing Loss: Pilot Randomized Controlled Trial | randomized trial | 2 | 2026-01-01 | 10.2196/84083 |

## What The Sources Report

- PE has been associated with acute and chronic enhancements in cognitive functioning, particularly in domains, such as executive functions, attention, and processing speed. [Wachholz Felix (2026); evidence level 1]
- ARHL is associated with reduced communication engagement, social isolation, and loneliness. [Zhao Ivy Yan (2026); evidence level 2]
- Beyond these social consequences, ARHL shows consistent associations with cognitive decline and increased risk of dementia. [Zhao Ivy Yan (2026); evidence level 2]

## How To Read This Evidence

Evidence level 1 generally reflects systematic reviews or meta-analyses. Level 2 includes randomized trials, guidelines, or public-health guidance. Level 3 usually reflects observational or narrative-review evidence. Level 4 is weaker or early-stage evidence. The level is a sorting aid, not a final quality grade.

## Practical Interpretation

There is at least one systematic-review style source in the current set, so it deserves more weight than single-study evidence. There is trial evidence in the current set, but population and intervention details still matter. For b complex cognitive performance randomized trial, the next editorial step is to add more targeted sources and separate strong findings from early or indirect evidence.

## Limits Of This First Pass

This is a small-batch MVP article. It uses the first ingested sources for this topic and should be expanded with more targeted searches, license review, and human editorial checks before being treated as a definitive review.

## References

- Wachholz Felix (2026). Effects of Acute and Chronic Physical Exercise on Esports Performance: A Systematic Review. DOI: 10.1186/s40798-026-01034-9. PMCID: PMC13197565. PMID: 42174296. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13197565/
- Zhao Ivy Yan (2026). Web-Based Gamified Auditory-Cognitive Dual-Task Training for Older Adults With Age-Related Hearing Loss: Pilot Randomized Controlled Trial. DOI: 10.2196/84083. PMCID: PMC13271602. PMID: 42302249. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13271602/

## Safety Note

Health information can change, and individual risk depends on medical history, medications, pregnancy status, age, and diagnosis. Talk with a qualified clinician before changing treatment, supplement, or medication routines.