Looking up...
To become unable to think clearly due to being overwhelmed by information or complexity.
複雑な説明を聞いて、頭が混乱する。
I listen to the complicated explanation and get confused.
情報が多すぎて、頭が混乱してきた。
There's too much information, and I'm starting to get confused.
Commonly used in everyday conversation when overwhelmed by new or complex information.
Don't confuse 頭が混乱する with 頭が痛い (head hurts physically). The former is mental confusion, while the latter is physical pain.
Use when overwhelmed by information or sudden changes, especially in work or study contexts. Not used for physical dizziness.
Composed of 頭 (atama, 'head') and 混乱 (konran, 'confusion'). The phrase literally means 'the head becomes confused,' metaphorically extending to mental confusion.
Used when one's mind is overwhelmed by too much information or complexity. More personal than 困惑する (be perplexed). Often used in response to sudden changes or complex explanations.