What Causes a ‘Mood Swing’ in People?

Imagine your brain is like a radio that plays different songs, one song is happy, and the other is sad. Sometimes, the switch happens fast because of something you see or feel, like getting a surprise gift or hearing bad news.

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Examples

A child goes from laughing to crying when they lose their favorite toy.
A person gets excited when they see a friend but then feels sad when that friend leaves quickly.
Someone switches from being calm at work to angry in seconds after an unexpected email.

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Categories: Psychology · mood swings,brain chemistry,emotions