“…In addition, chronic migraine has a low response to treatments which are routinely provided to patients (e.g., medications such as triptans, non-invasive vagus nerve stimulation, pain management, stress management, biofeedback, cognitive behavioral therapy, relaxation techniques) (Becker, 2017;May & Schulte, 2016). Similarly, psychological interventions, such as cognitive behavior therapy (Martin et al, 2015) and acceptance commitment therapy (Dindo et al, 2020), improve psychological distress (Dindo et al, 2020;Martin et al, 2015;Knowlton et al, 2019) but do not affect migraine and its disability (Sharpe et al, 2019). Thus, treating chronic migraine is a real challenge for clinicians and studies on psychological treatments are warranted (National Institute for Health and Care Excellence, 2015).…”