Fig. 2.

TMD baseline pressure measurement patterns. a shows a positive deflection of the TMD curve representing a low ICP pressure pattern while b shows a negative deflection indicating a raised ICP pattern. c A bilateral deflection indicating normal ICP. The area shaded in blue is the area under the curve over the duration of the stapedius reflex response. Calculation of this area is done by the machine software with the user indicating the most negative deflection of the curve and the end of reflex response