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Respiratory modulation of startle: effects on subjective intensity and psychomotor response times
Münch, Eva Elisabeth; Vögele, Claus; Van Diest, Ilse et al.
2018In Abstractband Psychologie und Gehirn 2018
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Abstract :
[en] Respiratory cycle time modulates reflexive startle eye blink responses to acoustic stimuli. Responsible for this effect seems to be the afferent input of slow adapting pulmonary stretch receptors. It remains unclear, however, whether this 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; binaural; instantaneous rise time), which were presented during peak and ongoing inspiration and expiration, while performing a paced breathing task at 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 acoustic stimuli. Psychomotor response time was divided into pre-motor (from stimulus onset to home button release; represents stimulus evaluation) and motor response time (from home button release to target button press). Intensity judgements were higher and evaluative response times accelerated during on-going expiration. No effect of respiratory cycle phase was found on eye blink responses and motor response time. We conclude, therefore, that respiratory cycle phase affects higher cognitive, attentional processing of acoustic startle stimuli.
Disciplines :
Neurosciences & behavior
Author, co-author :
Münch, Eva Elisabeth ;  University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Integrative Research Unit: Social and Individual Development (INSIDE)
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 startle: effects on subjective intensity and psychomotor response times
Publication date :
2018
Event name :
44. Tagung "Psychologie und Gehirn" 2018
Event organizer :
DGPA und DGPs Fachgruppe "Biologische Psychologie und Neuropsychologie"
Event place :
Gießen, Germany
Event date :
31-05-2018 to 02-06-2018
Audience :
International
Main work title :
Abstractband Psychologie und Gehirn 2018
Pages :
81
Peer reviewed :
Peer reviewed
Available on ORBilu :
since 31 July 2018

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