Color vision in ADHD: part 2--does attention influence color perception?

Soyeon Kim, Mohamed Al-Haj, Stuart Fuller, Samantha Chen, Umesh Jain, Marisa Carrasco, Rosemary Tannock

Research output: Contribution to journalArticlepeer-review


BACKGROUND: To investigate the impact of exogenous covert attention on chromatic (blue and red) and achromatic visual perception in adults with and without Attention Deficit Hyperactivity Disorder (ADHD). Exogenous covert attention, which is a transient, automatic, stimulus-driven form of attention, is a key mechanism for selecting relevant information in visual arrays.

METHODS: 30 adults diagnosed with ADHD and 30 healthy adults, matched on age and gender, performed a psychophysical task designed to measure the effects of exogenous covert attention on perceived color saturation (blue, red) and contrast sensitivity.

RESULTS: The effects of exogenous covert attention on perceived blue and red saturation levels and contrast sensitivity were similar in both groups, with no differences between males and females. Specifically, exogenous covert attention enhanced the perception of blue saturation and contrast sensitivity, but it had no effect on the perception of red saturation.

CONCLUSION: The findings suggest that exogenous covert attention is intact in adults with ADHD and does not account for the observed impairments in the perception of chromatic (blue and red) saturation.

Original languageEnglish (US)
Pages (from-to)39
Number of pages1
JournalBehavioral and brain functions : BBF
StatePublished - 2014

ASJC Scopus subject areas

  • General Medicine


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