Cognitive processing in headache associated with sexual activity

Area of Science:

• Neuroscience
• Clinical Neurology
• Cognitive Science

Background:

• Headache associated with sexual activity (HSA type 2) is a distinct subtype.
• Cognitive processing deficits may be present in certain headache disorders.

Purpose of the Study:

• To investigate cognitive processing, specifically cognitive habituation, in patients with HSA type 2 using event-related potentials (ERP).
• To compare cognitive habituation in HSA type 2 patients with healthy controls and migraine patients.

Main Methods:

• Visual event-related potentials (ERP) were recorded in 24 HSA type 2 patients outside of headache periods.
• Cognitive habituation was assessed by analyzing changes in P3 latency and amplitude between the first and second parts of the measurement.
• Control groups included 24 healthy subjects and 24 migraine without aura patients.

Main Results:

• A significant majority of HSA type 2 patients (79%) and migraine patients (75%) showed a missing increase in P3 latency during habituation, unlike healthy controls (17%).
• P3 amplitude increased during the second measurement part in 71% of HSA type 2 patients and 79% of migraine patients, compared to 33% of controls.
• HSA type 2 patients and migraine patients demonstrated a loss of cognitive habituation, evidenced by altered P3 latency and amplitude patterns, unlike healthy individuals.

Conclusions:

• Patients with HSA type 2 exhibit a loss of cognitive habituation, measurable by ERP.
• The observed cognitive processing abnormalities in HSA type 2 are similar to those previously reported in migraine patients.