Word.ws English Dictionary

underactivation

underactivation noun: inadequate activation.

Noun

underactivation (countable and uncountable, plural underactivations)

  1. inadequate activation
    • A recent quantitative meta-analysis combining results from 65 fMRI studies (N = 1040 BD cases and 1074 healthy controls) found underactivation in the inferior frontal cortex and overactivation in limbic areas in BD patients relative to controls across emotional paradigms.2015 July 30, “Altered Brain Activation during Emotional Face Processing in Relation to Both Diagnosis and Polygenic Risk of Bipolar Disorder”, in PLOS ONE, →DOI

Forms of underactivation

pluralunderactivations

Origin of underactivation

From under- + activation.

Questions about underactivation

What does underactivation mean?
Underactivation means inadequate activation.
What part of speech is underactivation?
Underactivation is a noun.
What is the plural of underactivation?
The plural of underactivation is underactivations.

Words near underactivation in the dictionary

  1. underactions
  2. underactivate
  3. underactivated
  4. underactivates
  5. underactivating
  6. underactivation
  7. underactivations
  8. underactive
  9. underactive thyroid
  10. underactivity
  11. underactor

Source and license

Adapted from Wiktionary: underactivation (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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