A mental block is an inability to think about something at all. Have a mental block about maths.
It is usually built from an early bad experience rather than from any real limit. A mental block feels like a fact about you and is usually a fact about your history.
1nounmental blockAn inability to think about something at all.
“She had a mental block about spreadsheets that no course ever fixed.”
mental block is a difficulty.
Practised in Thinking & Memory