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Table 1 Thicknesses and electrical conductivities for the cortical layers included in the rat brain model

From: The size of via holes influence the amplitude and selectivity of neural signals in Micro-ECoG arrays

Rat Brain Model

Layer

Thickness (μm)

Specific conductivity (S/m)

References

Air

100

1 × 10− 15

 

Scalp

500

0.2

Geddes and Baker 1967

Skin

500

0.05

 

Skull

1000

0.02

Kosterich et al.

Dura

100

0.03

Struijk et al., 1997

Arachnoid

75

0.03

 

CSF

100

1.8

Baumann et al., 1997

Pia

25

0.23

 

Gray

1800

0.23

Latikka et al., 2001

White

1800

0.6

Ranck and Bement, 1965