Fig. 4From: In vivo absolute quantification of striatal and extrastriatal D2/3 receptors with [123I]epidepride SPECTThe bias (%), in the Bavail and appKd values in the CP and the VTA, induced by a simulated variation (%) in the specific binding in the Cer (reference region), expressed as a variation in the Bavail of this VOI. The Bavail estimations in the VTA and the appKd estimations in both CP and VTA may be considerably biased in case of a variation in the specific binding in the Cer. The Bavail in the CP remains virtually unbiased and independent of any variation in the specific binding in the CerBack to article page