Cluster headache patients show marked intensity dependence of cortical auditory evoked potentials during and outside the bout

J. Áfra, C. Ertsey, G. Bozsik, I. Jelencsik

Research output: Article

9 Citations (Scopus)

Abstract

Central serotonergic neurotransmission was assessed using intensity dependence of cortical auditory evoked potentials (IDAP) in cluster headache (CH) patients during both the active and interictal period. In 15 episodic CH patients and 13 controls previously described methods were used and amplitude-stimulus intensity function (ASF) slopes were computed. In the cluster group mean ASF slope was significantly steeper than in the control group both during the active period (1.53 ± 0.90 vs. 0.77 ± 0.85, P = 0031) and interictally (1.85 ± 1.20 vs. 0.77 ± 0.85, P = 0012). In the cluster group IDAPs of active and interictal period did not differ significantly (P = 0378). Duration of the disease or the present bout, distance from the last attack did not correlate with ASF slopes. In conclusion, our results are compatible with decreased level of serotonergic neurotransmission in raphe-cortical pathways. Diminished serotonergic activity in raphe-hypothalamic serotonergic pathways might be hypothesized influencing the activity of hypothalamic neurons and thus play a role in the genesis of cluster headache.

Original languageEnglish
Pages (from-to)36-40
Number of pages5
JournalCephalalgia
Volume25
Issue number1
DOIs
Publication statusPublished - jan. 2005

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Cluster Headache
Auditory Evoked Potentials
Synaptic Transmission
Neurons
Control Groups

ASJC Scopus subject areas

  • Clinical Neurology

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Cluster headache patients show marked intensity dependence of cortical auditory evoked potentials during and outside the bout. / Áfra, J.; Ertsey, C.; Bozsik, G.; Jelencsik, I.

In: Cephalalgia, Vol. 25, No. 1, 01.2005, p. 36-40.

Research output: Article

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