Table 4 Maximal negative amplitude thresholds below which significantly more edge samples were detected.

From: Recording site placement on planar silicon-based probes affects signal quality in acute neuronal recordings

Probe type

Negative amplitude threshold (μV)

% of negative samples on edge sites

% of negative samples on center sites

NeuroNexus 32-channel probe

− 20

2.95

2.93

NeuroSeeker 128-channel probe

− 10

8.70

8.64

Neuropixels probe (70 μm wide)

− 10

12.20

12.14

Neuropixels probe (50 μm wide)

− 10

15.73

15.57

NeuroSeeker 255-channel probe

− 10

14.45

12.57