Table 1.

Definition of acronyms

Acronym	Definition
MDE	Minimum discrimination error, Eq. 3; ideal observer error in a discrimination task
IMDE	Integrated minimum discrimination error, Eq. 8; average MDE over all Δθ
MMSE	Minimum mean squared error, Eq. 9; ideal observer error in a reconstruction task
MASE	Mean asymptotic squared error, Eq. 4; approximation to the MMSE obtained by averaging over the inverse of Fisher information