Greetings.
My thanks to the following people for their replies regarding the question of lateral interactions between simple cells in V1:
David Ferster
Northwestern University
ferster at nwu.edu
Phone: (708) 491-4137 FAX: (708) 491-5211
David Blackman
blackman at hodgkin.med.upenn.edu
Judd Jones
JOV at ORNLSTC.BITNET
Craig Renfrew
craig at computer-science.strathclyde.ac.uk
Attila Gulyas
h2447gul at ella.hu
______________________________________________________________________
The following references were recommended:
Ferster D (1987) The origin of orientation selective EPSPs in simple
cells of cat visual cortex. J. Neurosci. 7:1780-1791.
Ferster D (1988) Spatially opponent excitation and inhibition in simple
cells of the cat visual cortex. J. Neuroscience 8:1172-1180.
There is also ample evidence for the projection of layer 6
corticogeniculate cells, many of which are simple, to layer 4:
Ferster D and Lindstrom S (1985) Synaptic excitation of neurones in area
17 of the cat by intracortical axon collaterals of cortico-geniculate
cells. J. Physiol. (Lond.) 367:233-252.
McGuire BA, Hornung J-P, Gilbert CD and Wiesel TN (1984) Patterns of
synaptic input to layer 4 of the cat striate cortex. J. Neuroscience
4:3021-3033.
Two good review papers:
AU Martin, KAC
TI From single cells to simple circuits in the cerebral cortex
SO Quarterly Journal of Experimental Physiology 73:637-702 1988
FO Martin KAC
AU Fester D; Koch C;
TI Neuronal connections underlying orientation selectivity in
cat visual cortex
SO TINS 10(12):487-492 1987
FO Koch C
Use of dual stimuli (conditioning and mask) to try to determine
intracortical interactions:
AU Bonds AB
TI Role of inhibition in the specification of orientation selectivity
of cells in the cat striate cortex
SO Visual Neuroscience 2:41-55 1989
FO Bonds AB
Complex cells feedback to inhibit simple cells:
AU Morrone MC; Burr DC; Maffei L;
TI Functional implications of cross-orientation inhibition of cortical
visual cells. I. Neurophysiological evidence
SO Proc. R. Soc. Lond. B 216:335-354 1982
FO Morrone MC
Long range excitatory connections by cross-correlation:
AU Ts'o DY; Gilbert CD; Wiesel TN
TI Relationships between horizontal interactions and functional architecture
in cat striate cortex as revealed by cross-correlation analysis
SO J. Neuroscience 6(4):1160-1170 1986
FO Wiesel TN
Inhibition between "eon/eoff" cells and simple cells,
simple and complex cells:
AU Toyama K; Kimura M; Tanaka K;
TI Organization of cat visual cortex as investigated by
cross-correlation technique
SO J. Neurophysiol. 46(2):202-214 1981
FO Toyama K
AB Intracortical inhibition between: eon/eoff->simple cell,
simple->complex, eon/eoff->complex eon/eoff->eon/eoff
Also, Koch has done several detailed computer simulations of the visual
cortex which include simple cell-simple cell inhibition:
AU Worgotter F; Koch C;
TI A detailed model of the primary visual
pathway in the cat:
comparison of afferent excitatory and intracortical inhibitory
connection schemes for orientation selectivity SO J. Neuroscience
11(7):1959-1979 1991 FO Koch C
AU Worgotter F; Niebur E; Koch C;
TI Isotropic connections generate functional assymetric behavior in
visual cortical cells
SO J. Neurophysiol. 66(2):444-459 1991
FO Koch
AU Hata Y; Tsumoto T; Sato H; Tamura H;
TI Horizontal interactions between visual cortical neurones studied
by cross-correlation analysis in the cat
SO J. Physiol. 441: 593-614 1991
FO Tsumoto T
AU Douglas, RJ; Martin, KAC; Whitteridge D;
TI An intracellular analysis of the visual responses of neurones in cat
visual cortex
SO J. Physiol. 440:659-696 1991
FO Martin KAC
AU Berman NJ; Douglas RJ; Martin KAC; Whitteridge D;
TI Mechanisms of inhibition in cat visual cortex
SO J. Physiol. 440:697-722 1991
FO Martin KAC
AU Dehay, C; Douglas RJ; Martin KAC; Nelson C;
TI Excitation by geniculocortical synapses is not "vetoed" at the level of
dendritic spines in cat visual cortex
SO J. Physiol. 440:723-734 1991
FO Martin KAC
AU Douglas, RJ; Martin, KAC;
TI A functional microcircuit for cat visual cortex
SO J. Physiol. 440:735-769 1991
FO Martin KAC
[1] L.A. Palmer, J.P. Jones, R.A. Stepnoski (1991) "Striate receptive fields
as linear filters: Characterization in two dimensions of space."
In: The Neural Basis of Visual Function, Vol. 4, A.G. Levanthal, ed.
Macmillan Press, London, pp. 246-265.
>The last two sections of this article may be of interest to you.
>In addition to the articles you mentioned, there is
[2] M.C. Morrone, D.C. Burr, L. Maffei (1982) "Functional significance of
cross-orientational inhibition, Part I." Proc. R. Soc. Lond. B (216)
335-354.
@ARTICLE { Hata ,
AUTHOR = "Y. Hata and T. Tsumoto and H. Hagihara and H. Tamura" ,
JOURNAL = "Nature" ,
MONTH = "October" ,
PAGES = "815-817" ,
TITLE = "Inhibition contributes to orientation selectivity in visual cor tex" ,
VOLUME = "335" ,
YEAR = "1988"
}
> Hata et al show that some sort of lateral inhition
> takes place between orientation selective cells over
> short distances (< 200-400 um, I think).
______________________________________________________________________
David Blackman pointed out the following error:
>Finally, you said:
>>@article{Ramoa,
>> title="A Comparison of Inhibition in Orientation and Spatial Frequency
>> Selectivity of Cat Visual Cortex",
>> author="Ramoa, A.S. and Shadlen, M. and Skottun, B.C. and Freeman,
>> R.D.",
>> journal="Nature",
>> volume=321,
>> pages="237-239",
>> year=1986}
>>>>Note: Ramoa et al. used cross-correlation of recordings from
>>orientation-selective cells in layer IV, but did not positively identify the
>>cells as simple cells.
>>
>This paper is the one where they jacked up a cell's spontaneous
>activity using excitatory amino acids and showed there is a strong
>inhibitory input to simple cells for stimuli != the cell's preferred
>orientation. Surprisingly, they found no inhibition due to spatial
>frequency mismatch. I think the cross correlation paper you are
>thinking of is:
>AU Hata Y; Tsumoto T; Sato H; Hagihara K; Tamura H;
>TI Inhibition contributes to orientation selectivity in visual cortex of cat
>SO Nature 335:815-817 1988
>FO Tsumoto T
>AB Evidence for cross orientation inhibition using cross correlation
> technique. Inhibition occured between cells of 22-45 degrees but
> not greater.
Thanks David.
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People identified (dobbed in!) as being possibly able give further
assistance on this topic include:
Larry Palmer (lap at vision3.anatomy.upenn.edu)
Judy Palmer (jmp at vision3.anatomy.upenn.edu)
Zoltan F. Kisvarday
Dept.Neurophysiology, Ruhr University, Bochum,
POB 10 21 48,
D-4630, Bochum
Germany
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The following additional comment may be of interest to someone approaching the topic from a different perspective from mine:
>Just my two cents: those studies always talk about how the
>correlations exist, but if it's a system of coupled non-linear oscillators,
>then one has to ask the question: why are they not always in-phase?
>In other words, why does the coherent mode break up after a while?
>One possibility is that the system is at a critical state (edge of
>chaos), and the mode lockings are really just intermittent - the
>system is near a tangent bifurcation..
>Tom Holroyd
>Center for Complex Systems
>Florida Atlantic University
>tomh at bambi.ccs.fau.edu
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There were some strings attached to the supply of this information. Perhaps someone who benefits from the above list of references can help me repay the generosity of the contributors.
(1) For craig at computer-science.strathclyde.ac.uk
>I reckon that lateral connections in the visual
>cortex (area V1) are unlikely to occur over distances
>greater than 0.5mm. If you have any evidence or references that
>supports or refutes this statement ple
