Oddly Wired
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attention

Bad news is heavier than good news.

A 2008 review found that humans process negative stimuli faster, remember them longer, and react to them more intensely.

The mind is designed to prioritize survival over happiness. A single insult requires more cognitive effort to process than a compliment, explaining why one bad review outweighs dozens of good ones.

You are biologically biased to notice the threat in the room.

Where this comes from

Study
Vaish, Grossmann, and Woodward, 2008, Negativity Bias
What the check found
The cited study exists and accurately reflects the scientific consensus on negativity bias, though the specific phrasing is a summary rather than a direct quote from the source text.
Confidence
Solid, with limits

Related

One of these every day, and every one names the study it came from. When a finding is contested, it says so.