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Table 1 List of tracers injected in PM in Monkeys Mk1 – Mk8, with indications on the total volume injected for each tracer, the number of penetrations and sites of infusions.

From: Callosal connections of dorsal versus ventral premotor areas in the macaque monkey: a multiple retrograde tracing study

 

PMd-r

PMd-c

PMv-r

PMv-c

Mk1

CB

FB

BDA

DY

 

x (2.7 μl,5,9)

x (7 μl,7,7)

x (9 μl,6,9)

x (16 μl,8,10)

Mk2

BDA

DY

CB

FB

 

x (20 μl,10,20)

x (12 μl,6,12)

x (3.9 μl,7,13)

x (12 μl,6,12)

Mk3

 

CB

FB

BDA

  

x (2.5 μl,3,5)

x (9 μl,7,9)

x (6 μl,6,6)

Mk4

DY

CB

FB

 
 

x (0.4 μl,2,4)

x (7.5 μl,2,4)

x (0.8 μl,2,4)

 

Mk5

 

FB

DY

 
  

W, E (0.4 μl,2,4)

D, W (0.6 μl,2,4)

 
  

70–80 μA

50 μA

 

Mk6

DY

FR

 

FB (M1)

 

NE (0.4 μl,2,4)

NE (1 μl,2,4)

 

F (0.8 μl,2,4)

Mk7

 

DY

 

FB

  

E, S (0.6 μl,2,4)

 

NE (8 μl,2,4)

  

75 μA

  

Mk8

FB

DY

 

Eyes (0.8 μl,4,8)

 

F (0.8 μl,4,4)

 
 

10–20 μA

 

12–80 μA

 
  1. x = No ICMS performed. NE: non-excitable site with ICMS.
  2. Conventions for ICMS: D = Digits; E = Elbow; F = Face; S = Shoulder; W = wrist.
  3. Tracers: biotinylated dextran amine (BDA), diamidino yellow (DY), fast blue (FB), fluoro ruby (FR), cholera-toxin B subunit (CB). Arrows means that the injection site encroaches the adjacent area pointed by the arrow. (Ml) indicates that the injection site in PMd-c or PMv-c encroaches Ml.
  4. Below each tracer, the three numbers between parentheses give the total volume injected, the number of syringe penetrations and the total number of sites where the tracer was infused.