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Probe Design

Depending on your experiment, NeuroNexus has a probe design to suit your needs. If not, NeuroNexus offers a Custom Probe Design Service.

Selecting the Probe Design

Find the catalog probe that matches your experiment requirements closest. The are five configurable parameters.

Shank Length
Site Spacing
Site Area
Number of Shanks
Shank Spacing

Use the probe index (catalog pages 27-29) to find the design that best match your requirements.

If you do not find any catalog probes that meet your needs, it is possible to design your own custom probes. NeuroNexus fabricates custom probes periodically.
If you are new to NeuroNexus probe technology, it is recommended that you gain some experience with our catalog probes before designing custome probes.

Probe Selection Guide Lines

Go with shorter shank length unless otherwise necessary.

Select probes with smaller sites (177µm²) for higher selectivity, larger sites (703 or 1250µm²) for field recording stimulation. 413µm² sites are a good start for new users. Probes with larger sites are still able to isolate single-units. This is only a general rule of thumb.

First select the probe based on your experimantal requirements. Then specify any special package option. Standard packaging will be used if a package option is not specified. Go with the standard package if you are not sure of what to use.

Please note: recording quality is not soley a function of impedance, and so site area should instead be used for selection of probe design (see above).

Configuration Steps