IHC 2025 - Cephalalgia Award Lecture and Jes Olesen Awards, Brazil, September 2025

IHS Cephalalgia Award Lecture and Jes Olesen Awards Arne May, Germany - Cephalalgia Award Lecture - Functional brainstem representations of the human trigeminal cervical complex Carol Kopruzinsky, USA - Jes Olesen Award for Basic Science - Sex differences in photophobic behaviours following cortical spreading depression in rats Mi Ji Lee, South Korea - es Olesen Award for Clinical Science - Subtype shift, relapse rate, and predictors of relapse in cluster headache: a multicentre, prospective, longitudinal observation