There is also a long history of research into changes in the perception of a single cue or characteristic of a target sound, for example perceived laterality, following either an adaptor with a fixed parameter value of that same cue or an adaptor with variable and changing parameter values. For example, Dahmen et al. (2010) investigated how auditory spatial processing adapts to stimulus statistics by presenting noise sequences with rapidly fluctuating interaural level differences (ILD) to humans and ferrets. For humans, the mean of the ILD distribution biased the perceived laterality of a following target stimulus, while spatial sensitivity decreased as the distribution’s variance increased. Corresponding neural changes were observed in the inferior colliculus of ferrets; neurons’ ILD preferences adjusted towards the mean of the stimulus distribution and the slope of their rate-ILD functions decreased as the stimulus variance increased. The large body of research into adaptation is beyond the scope of this paper, but adaptation-related mechanisms may of course contribute to changes in the relative weights given to multiple cues.