Discharge patterns and functional organization of mammalian retina¶
Kuffler, S. W. (1953). Discharge patterns and functional organization of mammalian retina. Journal of Neurophysiology, 16(1), 37-68.
Cited by¶
2 citations across 2 artifacts.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Lateral Inhibition
- A footrace where the fastest runner wins is competition but not lateral inhibition; a field where each emerging leader silences only the rivals standing right beside them, leaving distant leaders free to emerge elsewhere, is lateral inhibition.
This sourceDiscovery of antagonistic center-surround receptive fields in retinal ganglion cells, in which light on the surround suppresses the center; establishes that lateral inhibition is local and proximity-weighted (near regions suppress more than distant ones), producing spatial structure rather than a global contest.
Supported in partVerified against the work's full text
Kuffler shows local center-surround antagonism within bounded receptive fields and links it to lateral inhibition over small retinal distances; no contrast with global competition.
“well-known suppression phenomena like lateral inhibition which has been studied by many investigators. Particu- larly the interaction of two light patches with facilitation and inhibition as observed in humans over small distances on the retina”
- A footrace where the fastest runner wins is competition but not lateral inhibition; a field where each emerging leader silences only the rivals standing right beside them, leaving distant leaders free to emerge elsewhere, is lateral inhibition.
- Receptive Field
- The four parameters are concrete: the center is the cell's position on the retina; the extent is the diameter of its responsive circle; the selectivity is set by the antagonistic organization — an ON-center cell is excited by light in the middle of its field and inhibited by light in an annular surround, so it responds not to absolute luminance but to local contrast
This sourceEstablishes the antagonistic center-surround organization of retinal ganglion receptive fields, which respond to local contrast rather than absolute luminance.
Supported in partVerified against the work's full text
Kuffler establishes concentric on-centre/off-surround receptive fields with antagonistic regions and diameters in mm, but only speculates that this serves contrast perception.
“of central and peripheral areas within receptive fields seems important since the smallest shift can cause a great change in the discharge pattern. This should be advantageous in the perception of contrast and in acuity.”
- The four parameters are concrete: the center is the cell's position on the retina; the extent is the diameter of its responsive circle; the selectivity is set by the antagonistic organization — an ON-center cell is excited by light in the middle of its field and inhibited by light in an annular surround, so it responds not to absolute luminance but to local contrast
Verification¶
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