Article (Scientific journals)
Respiratory modulation of intensity ratings and psychomotor response times to acoustic startle stimuli
Münch, Eva Elisabeth; Vögele, Claus; Van Diest, Ilse et al.
2019In Neuroscience Letters, 711 (1), p. 134388
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Abstract :
[en] Respiratory interoception may play an important role in the perception of respiratory symptoms in pulmonary diseases. As the respiratory cycle affects startle eye blink responses, startle modulation may be used to assess visceral-afferent signals from the respiratory system. To ascertain the potential impact of brainstem-relayed signals on cortical processes, we investigated whether this pre-attentive respiratory modulation of startle (RMS) effect is also reflected in the modulation of higher cognitive, evaluative processing of the startle stimulus. Twenty-nine healthy volunteers received 80 acoustic startle stimuli (100 or 105 dB(A); 50 ms), which were presented at end and mid inspiration and expiration, while performing a paced breathing task (0.25 Hz). Participants first responded to the startle probes by 'as fast as possible' button pushes and then rated the perceived intensity of the stimuli. Psychomotor response time was divided into 'reaction time' (RT; from stimulus onset to home button release; represents stimulus evaluation) and 'movement time' time (MT; from home button release to target button press). Intensity judgements were higher and RTs accelerated during mid expiration. No effect of respiratory cycle phase was found on eye blink responses and MTs. We conclude that respiratory cycle phase affects higher cognitive, attentional processing of startle stimuli.
Disciplines :
Neurosciences & behavior
Author, co-author :
Münch, Eva Elisabeth
Vögele, Claus ;  University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Integrative Research Unit: Social and Individual Development (INSIDE)
Van Diest, Ilse
SCHULZ, André  ;  University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Integrative Research Unit: Social and Individual Development (INSIDE)
External co-authors :
yes
Language :
English
Title :
Respiratory modulation of intensity ratings and psychomotor response times to acoustic startle stimuli
Publication date :
19 July 2019
Journal title :
Neuroscience Letters
ISSN :
0304-3940
eISSN :
1872-7972
Publisher :
Elsevier, Limerick, Netherlands
Volume :
711
Issue :
1
Pages :
134388
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 29 July 2019

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