underactivate
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
19
Scrabble Score
13
Letters
5
Syllables
10
Unique Chars
Meaning
verb
To produce insufficient levels of activation.
Example Sentences
- "Wood and Flowers (1999) demonstrated with Positron Emission Tomography (PET) that the same brain regions that underactivate in dyslexia also underactivate in the inattentive subtype of attention deficit hyperactivity disorder."
- "In contrast, struggling readers underactivate the reading systems in the back of the brain and overactivate the system in the front of the brain."
- "An important discovery over the last ten years comes from studies that parametrically varied working memory load to establish that, compared to younger adults, older adults tend to overactivate PFC regions at lower loads, and to underactivate at higher loads, where performance also drops off."
Etymology
Etymology tree Proto-Indo-European *h₁én Proto-Indo-European *-tér Proto-Indo-European *h₁entér Proto-Indo-European *h₂én Proto-Indo-European *dʰeh₁-? Proto-Indo-European *-dʰi ? Proto-Indo-European *(H)n̥dʰí Proto-Indo-European *-ér Proto-Indo-European *(H)n̥dʰér Proto-Germanic *under Proto-West Germanic *undar Old English under- Middle English under- English under- Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvusbor. Old French actifbor. Middle English actyf English active Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English activate English underactivate From under- + activate.