Abstract:
:To study defensive mobilization elicited by the exposure to interoceptive arousal sensations, we exposed highly anxiety sensitive students to a symptom provocation task. Symptom reports, autonomic arousal, and the startle eyeblink response were monitored during guided hyperventilation and a recovery period in 26 highly anxiety sensitive persons and 22 controls. Normoventilation was used as a non-provocative comparison condition. Hyperventilation led to autonomic arousal and a marked increase in somatic symptoms. While high and low anxiety sensitive persons did not differ in their defensive activation during hyperventilation, group differences were detected during early recovery. Highly anxiety sensitive students exhibited a potentiation of startle response magnitudes and increased autonomic arousal after hyper- as compared to after normoventilation, indicating defensive mobilization evoked by the prolonged presence of feared somatic sensations.
journal_name
Psychophysiologyjournal_title
Psychophysiologyauthors
Melzig CA,Holtz K,Michalowski JM,Hamm AOdoi
10.1111/j.1469-8986.2010.01150.xsubject
Has Abstractpub_date
2011-06-01 00:00:00pages
745-54issue
6eissn
0048-5772issn
1540-5958journal_volume
48pub_type
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