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. 2013 Nov 26;522(1):225–259. doi: 10.1002/cne.23458

Figure 10.

Figure 10

Segregation of FF and FB pathways. A,B: Charts of retrograde labeled neurons in a parasagittal section of area V2 (A) and area V3 (B) following injections of DY in area V1 and FsB in area V4. C: Percentage of labeled FF and FB neurons per depth bin in supragranular layers of extrastriate cortex (areas V2, V3, V4, LIP, MST, MT). Envelope corresponds to a loess predicted distribution. Black dashed line indicates the FB compartment identified by a tree model; the high and low mean for neuronal distribution within and outside the compartment are indicated by black arrowheads. Red dashed line identifies the FF compartment isolated by tree model, the red arrowheads indicate the high and low mean for neuronal distribution within and outside the compartment. D: The segregation of FF and FB neurons in the infragranular layers. Same conventions as in (C). E: Laminar distribution of double labeled neurons in visual areas V2, V3, V3a, MT, FST, TE, TH/TF, area 36. Proportions of double-labeled neurons expressed as percentages of the smallest population of single-labeled neurons. F: Boxplots of the distribution of neurons in supragranular layers for individual projection pathways. C,F: Ordinate scale goes from 0 top of layer 4, 100 bottom of layer 1. D: 0 bottom of layer 6, 100 top of layer 5. DL, double-labeled.