# Kiwi Cognition Randomized Trial: What the Evidence Says
Canonical: https://www.migaku.app/guides/kiwi-cognition-randomized-trial-evidence-review
Category: evidence-review
Summary: Kiwi Cognition Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are mixed b
Last reviewed: 2026-08-09
Reviewed by: Migaku Evidence Review
# Kiwi Cognition Randomized Trial: What the Evidence Says

## Quick Answer

Kiwi Cognition Randomized Trial has 2 source documents in the current Migaku evidence database. The strongest available sources in this first pass are mixed biomedical and public-health sources, 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 research article, 1 preclinical study.
- 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 |
| --- | --- | ---: | --- | --- |
| Is “sky” bluer than “grass” is green? Word–color associations dataset for cognitive science | research article | 4 | 2026-06-17 | 10.3758/s13428-026-03084-z |
| Untargeted metabolomics reveals quinic acid as the kiwifruit component that affects brain activity in mice | preclinical study | 4 | 2025-08-18 | 10.1371/journal.pone.0326134 |

## What The Sources Report

- This effect is most pronounced when the object is strongly associated with a particular color and when the observer is very familiar with it-a phenomenon known as "" (Tanaka & Presnell,). [Keha Eldad (2026); evidence level 4]
- Similarly, Connell and Lynott demonstrated that naming the ink color of written words was faster not only when the meaning of the word was associated with the ink color (e.g., the word BEAR in brown ink) but also when the context is associated with the presented ink color (e.g., BEAR in white ink, following the sentence "Joe was excited to see a bear at the North Pole"). [Keha Eldad (2026); evidence level 4]
- One example is the Mediterranean diet, typical in olive-growing regions of the Mediterranean, which has been associated to cognitive performance benefits, the prevention of depression and general psychological wellbeing. [Marzo Claudio Marcello (2025); evidence level 4]
- For some samples, the high energy was increased to 45 V to achieve the better fragmentation of certain metabolites. [Marzo Claudio Marcello (2025); evidence level 4]

## 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

For kiwi cognition randomized trial, the current source set is useful for orientation, but it is not yet broad enough for strong claims. Use cautious language and keep conclusions close to the cited sources.

## 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

- Keha Eldad (2026). Is “sky” bluer than “grass” is green? Word–color associations dataset for cognitive science. DOI: 10.3758/s13428-026-03084-z. PMCID: PMC13275740. PMID: 42310264. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC13275740/
- Marzo Claudio Marcello (2025). Untargeted metabolomics reveals quinic acid as the kiwifruit component that affects brain activity in mice. DOI: 10.1371/journal.pone.0326134. PMCID: PMC12360534. PMID: 40824948. License: CC BY 4.0. https://pmc.ncbi.nlm.nih.gov/articles/PMC12360534/

## 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.