My English language proficiency test certificate is expired/will have expired by the application period, do I need to take a new test?
As long as your test certificate is one of the accepted for the MCNB
and satisfies the minimum requirement, you can apply with a language test
certificate that is expired. Please see the link for valid proof of
English language proficiency:
https://www.ewi-psy.fu-berlin.de/einrichtungen/serviceeinrichtungen/studienbuero_psy/download/Language-Certificates-accepted-for-the-Master-Cognitive-Neuroscience.pdf