Table 6 Material properties of the hyper-viscoelastic model used to model the mechanical response of the brain parenchyma.

From: In Vivo Investigation of the Effectiveness of a Hyper-viscoelastic Model in Simulating Brain Retraction

Instantaneous response

k = 1

k = 2

μ0 = 842 Pa

τ1 = 0.5 s

τ2 = 50 s

α = −4.7

g1 = 0.450

g2 = 0.365

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