Yes, you can. You need to have completed 120 ECTS credits at the time of application - this will be checked in your Transcript of Records, which you submit with your application. Please find this information in the Access Charter:

https://www.ewi-psy.fu-berlin.de/einrichtungen/serviceeinrichtungen/pruefungsbuero/master_ewi_und_psy/master_cognitive_neuroscience/Ordnungen/index.html