Tonic Irritability
Tonic irritability has lower heritability and is less longitudinally stable than phasic irritability. Tonic irritability refers to persistently angry, grumpy, bad-tempered, or grouchy mood. Tonic irritability is linked to internalising con…
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Tonic irritability has lower heritability and is less longitudinally stable than phasic irritability. Tonic irritability refers to persistently angry, grumpy, bad-tempered, or grouchy mood. Tonic irritability is linked to internalising conditions including depression, generalised anxiety, and suicidal ideation. The UTOPICA study hypothesizes that tonic irritability independently predicts internalising outcomes. One study found tonic irritability predicted ADHD at age 16 and major depression at age 22.