This temporary scalp tattoo allowed researchers to track electrical brain activity much more easily than with conventional ...

Other factors implicated in transmission include the use of fetal scalp electrodes (trauma facilitates transmission) and ruptured membranes for more than 4 hours in the presence of viral replication.

During a traditional EEG test, technicians measure the patient's scalp with rulers and pencils, marking over a dozen spots where they will glue on electrodes, which are connected to a data-collection ...