#reaction time

1 article

A wide, editorial-style still life photographed from slightly above on a pale oat-colored linen surface, lit by soft morning window light from the left. In the center sits a small matte ceramic bowl holding a mound of fine white powder, with a minimalist wooden scoop resting beside it. Next to the bowl is an open amber glass supplement jar with a plain cream label, and a few white capsules spill across the linen in a loose arc.

To the right, a neatly arranged cluster of analog "study" objects suggests careful measurement: a vintage stopwatch with a clean white face, a slim notebook with a sage-green cover open to a hand-drawn bar chart (blurred, no legible text), and a mechanical pencil lying across the page. A small row of six identical ceramic dishes, each holding a pinch of powder, is lined up along the top edge of the frame to hint at the six-week trial. One dish is slightly out of alignment, a subtle visual cue for ambiguity.

A shallow glass of water and a single sprig of green eucalyptus add a calm, organic note in the foreground. Soft, long shadows fall across the textured linen, and the palette stays restrained: warm cream, soft sage, muted terracotta, pale gray, and touches of amber from the glass jar. A few translucent paper cutouts in two tones (sage and blush) overlap in the upper right corner as a modern graphic accent, evoking overlapping data points without showing any numbers.

Depth of field is shallow, with the bowl and stopwatch in crisp focus and the edges gently softened. The composition leaves generous negative space on the left third for title text overlay. The overall mood is thoughtful, balanced, and quietly skeptical, in the style of a contemporary wellness and science magazine: clean, tactile, minimal, with a subtle film-like grain and natural color grading. No people, no futuristic or sci-fi elements, no readable text or logos.

GAA 大脑助推剂？六周试验结果为何复杂

BY DR. GYMBRO · 2026年10月30日

GAA 作为一种据称能提升大脑功能的肌酸前体，刚完成了首个人体严肃试验。该双盲、为期六周、涉及 58 名健康成人的研究显示它在部分反应时间上有一定提升，同时在情绪和压力方面出现零星信号。但大多数认知测试并未出现明显变化，许多所谓的显著结果仅是趋势。安全指标暂无异常，但研究规模小、探索性强且缺少单独肌酸对照组。