 1. Methodology All patients presenting for neurosurgery will be considered and the study will take place on the Theatre Admissions Units at the Royal Hallamshire Hospital, Sheffield, United Kingdom. After gaining consent, baseline anxiety levels will be assessed using the APAIS and STAI questionnaires. The subject will then be randomised using a web-based programme to one of two groups: intervention Yintang point, or control no intervention. All the acupuncture will done with the same type of needle and by the same investigator. The questionnaires will be repeated 30 minutes later to assess the effect of the intervention. 