人类有三种锥细胞（S/短波/蓝、M/中波/绿、L/长波/红），通过它们的组合响应来感知约 100 万种颜色。色觉训练利用神经可塑性原理，通过反复的颜色辨识练习，强化大脑视觉皮层对颜色差异的处理能力。Humans have three types of cone cells (S/short/blue, M/medium/green, L/long/red), combining their responses to perceive approximately one million colors. Color vision training leverages neuroplasticity — repeated color discrimination exercises strengthen the brain's visual cortex processing of color differences.
三种锥细胞对不同波长的敏感度曲线有重叠区域。颜色辨识训练的本质就是扩大感知差异——让大脑更敏感地捕捉这些重叠区域中的微妙变化。The sensitivity curves of the three cone types overlap in certain wavelength ranges. The essence of color discrimination training is expanding perceptual differences — making the brain more sensitive to subtle changes in these overlapping regions.
"Color discrimination ability can be improved through repeated training." — Goldman, 2017"Color discrimination ability can be improved through repeated training." — Goldman, 2017
本模块使用 8 种 HSL 均匀分布的基础色作为训练素材，确保颜色在色环上具有良好的辨识度。This module uses 8 base colors evenly distributed in HSL space, ensuring good discriminability around the color wheel.
R=红 · O=橙 · Y=黄 · G=绿 · C=青 · B=蓝 · P=紫 · M=品红R=Red · O=Orange · Y=Yellow · G=Green · C=Cyan · B=Blue · P=Purple · M=Magenta
依次展示 N 个颜色块后消失，你需按相同顺序回忆。6 级难度逐级递增。每级需连续正确 3 次晋级，连续错误 2 次降级。每回合限时 10 秒，超时判负。支持撤销重选。N color blocks are shown in sequence then disappear. Recall them in the correct order. 6 difficulty levels. Advance with 3 consecutive correct, drop with 2 consecutive errors. 10-second countdown per round. Undo supported.
通关条件：第 6 级连续正确 2 次Win condition: 2 consecutive correct at Level 6
识别 Ishihara 风格的抽象点图中隐藏的 3 位数字。每次正确降低对比度 5%，每次错误增加对比度 5%。每回合限时 5 秒，超时判负。Identify hidden 3-digit numbers in Ishihara-style abstract dot patterns. Contrast changes by 5% per correct/wrong answer. 5-second countdown per round.
通关条件：连续正确识别 8 组Win condition: 8 consecutive correct
| 等级Level | 色块数Blocks | 展示时间Display Time | 晋级条件Advance |
|---|---|---|---|
| 1 | 3 | 2200 ms | 连续正确 3 次3 consecutive correct |
| 2 | 4 | 2100 ms | 连续正确 3 次3 consecutive correct |
| 3 | 5 | 2000 ms | 连续正确 3 次3 consecutive correct |
| 4 | 6 | 1900 ms | 连续正确 3 次3 consecutive correct |
| 5 | 7 | 1800 ms | 连续正确 3 次3 consecutive correct |
| 6 | 8 | 连续正确 2 次 → 🎉2 consecutive correct → 🎉 | |
连续错误 2 次降 1 级（最低 1 级）。每回合限时 10 秒。2 consecutive errors drop 1 level (min Level 1). 10-second round timer.
| 模式Mode | 参数Parameter | 范围Range |
|---|---|---|
| 颜色序列Color Sequence | 等级Level | 1–6 |
| 颜色序列Color Sequence | 每级色块数Blocks/Level | 3–8 |
| 颜色序列Color Sequence | 展示时长Display Time | 1700–2200 ms |
| 颜色序列Color Sequence | 回合限时Round Timer | 10 s |
| 色盲筛查Screening | 对比度Contrast | 20%–80% |
| 色盲筛查Screening | 对比度步长Contrast Step | 5% |
| 色盲筛查Screening | 数字位数Digits | 3（固定） |
| 色盲筛查Screening | 回合限时Round Timer | 5 s |
| 目标Goal | 频率Frequency | 单次时长Duration | 重点模式Focus Mode |
|---|---|---|---|
| 日常护眼Daily Eye Care | 每 2 小时Every 2 hrs | 3-5 分钟min | 颜色序列Sequence |
| 色彩敏感度Color Sensitivity | 每日 2-3 次2-3×/day | 5-8 分钟min | 全部模式All modes |
| 认知训练Cognitive Training | 每日 3-4 次3-4×/day | 8-10 分钟min | 全部模式All modes |
| 按键Key | 功能Function |
|---|---|
| Space | 暂停 / 继续Pause / resume |
| ← 撤销 | 清空序列选择Clear sequence selection |
| Enter | 确认序列答案Confirm sequence answer |
| DblClick | 进入全屏（双击空白区域）Fullscreen (dblclick empty area) |
| Esc | 退出全屏Exit fullscreen |
| + / - | 音量 ±Volume ± |
颜色感知涉及大脑中多个区域的协同工作。V1 区（初级视觉皮层）中的单色细胞负责检测颜色边界和对比度；V4 区（颜色感知中枢）对颜色恒常性至关重要——它确保我们能在不同光照条件下稳定感知物体颜色。Color perception involves coordinated work across multiple brain regions. Area V1 (primary visual cortex) contains wavelength-sensitive cells that detect color boundaries and contrast; Area V4 (color perception hub) is crucial for color constancy — ensuring stable color perception under varying illumination.
研究表明，颜色辨识能力与年龄相关。儿童的色觉系统在青春期前持续发育，而成年后随着晶状体逐渐黄化（lenticular yellowing），蓝-黄区分能力会自然下降。针对性训练可以延缓这种与年龄相关的色觉退化。Research shows color discrimination ability correlates with age. Children's color vision continues developing until adolescence, while blue-yellow discrimination naturally declines with age due to lenticular yellowing. Targeted training can slow this age-related color vision decline.
对于轻度色觉异常（色弱）人群，研究发现通过色觉训练可以提升约 15-20% 的颜色辨识准确率。训练并不能改变视网膜锥细胞的光谱敏感性，但它能帮助大脑更有效地利用可用的颜色信号进行决策。For individuals with mild color vision deficiency (color weakness), studies have found that color vision training can improve identification accuracy by about 15-20%. Training doesn't change retinal cone spectral sensitivity, but it helps the brain more effectively utilize available color signals for decision-making.
色觉训练利用的是感知学习（Perceptual Learning）——一种特异性的神经可塑性形式。与一般认知训练不同，感知学习改变的是早期视觉皮层（V1-V4）中神经元的调谐特性，使它们对训练过的刺激维度更加敏感。Color vision training leverages perceptual learning — a specific form of neuroplasticity. Unlike general cognitive training, perceptual learning modifies early visual cortex (V1-V4) neuron tuning properties, making them more sensitive to the trained stimulus dimensions.
Goldman (2017) 的研究发现，经过 10 天的颜色辨识训练，受试者在训练色附近的颜色辨别阈值降低了约 30%。功能性磁共振成像（fMRI）显示，与颜色感知相关的 V4 皮层厚度在训练后显著增加，表明该区域的神经回路发生了结构性重塑。Goldman (2017) found that after 10 days of color discrimination training, subjects' discrimination thresholds near the training colors decreased by approximately 30%. fMRI showed significantly increased cortical thickness in V4, indicating structural remodeling of color-related neural circuits.
值得注意的是，这种训练效果具有部分的迁移性——训练某一色域的颜色辨识能力，可以轻微提升相近色域的辨识精度。但训练效果在色环上距离训练色超过 90° 时显著减弱。因此，建议在训练中涵盖多种色相，以实现全面的色觉提升。Notably, training effects show partial transfer — training in one color region can slightly improve discrimination in nearby regions. However, effects diminish significantly beyond 90° on the color wheel from the training hue. Therefore, we recommend covering multiple hues during training for comprehensive improvement.
⚠ 辅助性眼保健工具，非医疗器械，不构成诊断或治疗。如有眼部疾病请咨询专业医生。⚠ Auxiliary eye health tool, not a medical device. Does not constitute diagnosis or treatment. Consult a professional doctor for eye diseases.