Notes to The Contents of Perception

1. Distinctions close to that between attitude and content are Frege's distinction between force and sense, and from nineteenth-century German psychologists Carl Stümpf and Oswald Külpe, who distinguished between content and function. For discussion, see Boring (1929).

2. So far we have been discussing how space is represented in experience. For discussion of how time is represented in experience, see entry on the experience and perception of time.

Copyright © 2010 by
Susanna Siegel <>

Open access to the SEP is made possible by a world-wide funding initiative.
Please Read How You Can Help Keep the Encyclopedia Free

The SEP would like to congratulate the National Endowment for the Humanities on its 50th anniversary and express our indebtedness for the five generous grants it awarded our project from 1997 to 2007. Readers who have benefited from the SEP are encouraged to examine the NEH’s anniversary page and, if inspired to do so, send a testimonial to