Attention bias and sensitization in chemical sensitivity.

OBJECTIVE: We investigated whether persons with self-reported chemical sensitivity (CS) have an attention bias and enhanced sensitization to chemical exposure. METHODS: Chemosomatosensory, olfactory, and auditory event-related potentials (ERPs) were recorded from 21 CS subjects and 17 controls in attend and ignore conditions. Reaction times (RTs) and magnitude estimations of perceived intensity were collected in the attend condition. ERPs were averaged over attention conditions and during the first/second part of the testing. RESULTS: ERP patterns indicated that CS subjects did not habituate to the same extent as the controls and had difficulties ignoring the chemical exposure. CS subjects had faster overall RT, and the perceived intensities for the chemosomatosensory stimuli did not decrease with time in the CS group, which was the case for the controls. CONCLUSIONS: These results indicating attention bias and enhanced sensitization in CS suggest alterations in central, cognitive responses to chemical exposure.

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Oto-rhino-laryngologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Otorhinolaryngology hsv//eng
SAMHÄLLSVETENSKAP Psykologi hsv//swe
SOCIAL SCIENCES Psychology hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Dermatologi och venereologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Dermatology and Venereal Diseases hsv//eng
Acoustic Stimulation
methods
Adolescent
Adult
Attention
Bias (Epidemiology)
Cognition
Electroencephalography
Evoked Potentials
Auditory
Female
Humans
Male
Middle Aged
Multiple Chemical Sensitivity
physiopathology
psychology
Neuropsychological Tests
Odors
Reaction Time
Sensory Thresholds
Stimulation
Chemical
Young Adult
Attention bias
Psychology
Psychology
Kemisk känslighet
EEG

Bende, Mats,1947Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institutionen för kliniska vetenskaper, Avdelningen för öron-, näs- och halssjukdomar,Institute of Clinical Sciences,Institute of Clinical Sciences, Department of Otorhinolaryngology,Department of Otorhinolaryngology, Central Hospital, Skövde, Sweden(Swepub:gu)xbendm (author)
Millqvist, Eva,1949Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin,Institute of Medicine, Department of Internal Medicine,Astma and Allergy Research Group, Sahlgrenska University Hospital, Göteborg, Sweden(Swepub:gu)xmilev (author)
Nordin, Steven,1960-Umeå universitet,Institutionen för psykologi(Swepub:umu)stno0002 (author)
Umeå universitetInstitutionen för psykologi (creator_code:org_t)

In:Journal of psychosomatic research: Elsevier BV66:5, s. 407-16:66, s. 407-4161879-13600022-3999
In:J Psychosom Res: Elsevier BV66:5, s. 407-16:66, s. 407-416

By the author/editor: Andersson, Linus ...; Bende, Mats, 194 ...; Millqvist, Eva, ...; Nordin, Steven, ...

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Otorhinolaryngol ...

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Dermatology and ...

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