'''Hyperthymia''' is a termapplied to excessive [[emotionality]] or [[excitability]].
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'''Hyperthymia''' is a [[personalitytrait]] associated with [[cheerfulness]], high energy levels and [[motivation]]. In its exaggerated form it is linked to excessive [[emotionality]] or [[excitability]].
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It is the opposite of [[dysthymia]].
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In the [[cyclothymic personality type]] these two states were thought to alternate.
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It is to be distinguished from [[hypomania]] which was seen as a clinically severe expression of the personality trait, requiring treatment.