Psychology
Psychology: a compact digital book built from 200 selected words. It explains core ideas, useful distinctions, and common confusions around this subject.
200
English / Español / 简体中文
Personal use
Who it is for
For readers who want a concise way into the subject without starting with a textbook.
Inside this book
- Key terms
- Useful distinctions
- A clearer way to revisit the subject
What it is not
Not therapy or a diagnosis tool — it's the vocabulary for noticing how minds, feelings, and behavior work.
Reading guide
Personal PDF · English / Simplified Chinese
Delivered by email after Stripe checkout.
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Psychology
Psychology is the study of mind, behavior, emotion, and experience using evidence rather than quick labels.
Mind
Mind means the inner life of thinking, feeling, imagining, remembering, wanting, and noticing.
Behavior
Behavior is what a person or animal actually does: speaks, avoids, smiles, freezes, chooses, scrolls, works, withdraws.
Brain
The brain is the biological organ behind perception, memory, emotion, attention, decision-making, and action.
Thought
A thought is a mental event: an idea, prediction, judgment, image, interpretation, or inner sentence.
The 200 words inside this book.
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