Re: vision:audition::surfaces:sources

[Sigurd Saue <sigurd.saue@xxxxxxxxxxxxxx>]

To Michael:

If my memory doesn't fail me, there is a discussion of this symmetry in
J.J.Gibson's 1966 book "The senses considered as perceptual systems".

Sigurd Saue
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> Could anyone point me to the best authority to credit for the following
> rather obvious but neat symmetry between vision and audition? The
> auditory system is concerned with sources of sound, not with surfaces
> that reflect sound (we tend to discount the reverberant environment in
> identifying sources). For the visual system just the opposite is true:
> it is concerned with surfaces that reflect light, not with the sources
> that illuminate them (we tend to discount the illuminant in
> identifying objects).