1. A device comprising: a first band including a first set of electrodes; and a second band including a second set of electrodes, wherein the first band and the second band are to be oriented in a first direction relative to a subject's head to obtain first neuro-response data from the subject, and the first band and the second band are to be oriented in a second direction relative to the subject's head to obtain second neuro-response data from the subject, the second direction substantially orthogonal to the first direction.