A downloadable PDF on this subject is not meant to be a replacement for medical training, but rather a quick-reference clinical tool. Here is what a high-quality PDF should contain:
The Yi is the intellect and the mind of intention. It governs focused thought, studying, memorization, and the ability to apply logic. Because the Spleen is responsible for transforming food into Qi and blood, a weak Spleen results in a "foggy" psyche. Overthinking (rumination) specifically damages the Spleen, creating a vicious cycle of worry. the psyche in chinese medicine pdf
Manages focus, memory, and logical thinking. A downloadable PDF on this subject is not