CED Micro1401 — LLMpedia

CED Micro1401
Name	Micro1401
Title	CED Micro1401
Developer	Cambridge Electronic Design
Release date	1980s
Type	Data acquisition interface

Contents

CED Micro1401

The Micro1401 is a modular data acquisition and analysis interface produced by Cambridge Electronic Design for neurophysiology and electrophysiology laboratories. It served as an interface between analog sensors and laboratory computers, enabling experiments associated with Alan Hodgkin, Andrew Huxley, Bernardo Houssay, Erwin Neher and Bert Sakmann-era techniques. The device integrated with workstation environments influenced by BBC Micro, Acorn Computers, Commodore 64 and early Apple II systems.

Overview

The Micro1401 functioned as a bridge between experimental rigs used in University of Cambridge and computing platforms found at institutions such as Massachusetts Institute of Technology, University of Oxford, Stanford University, Max Planck Society laboratories. It competed and complemented instruments from National Instruments, Tektronix, Rudolph Technologies and vendors serving electrophysiology groups working alongside figures like John O'Keefe and David Attwell. Designed for real-time digitization, event timing and stimulus control, it supported workflows typical of studies following methods popularized after the Nobel Prize in Physiology or Medicine awards to investigators in membrane biophysics.

The Micro1401 featured analog-to-digital conversion, multiple input channels, and digital I/O suitable for integration with amplifiers by Axon Instruments and rigs used in Wellcome Trust-funded projects. Specifications included sampling rates comparable to contemporary devices from Tektronix and Hewlett-Packard, buffer memory influenced by designs in Sinclair Research systems, and precision timing aligned with standards used in European Molecular Biology Laboratory setups. The chassis, connectors and signal conditioning allowed coupling to headstages used by laboratories associated with Salk Institute and Columbia University. Power and grounding practices reflected guidelines promoted by Institute of Electrical and Electronics Engineers committees and regulatory authorities in United Kingdom testing labs.

Firmware on the Micro1401 provided real-time control routines akin to firmware strategies seen in ARM Ltd.-based products, with development tools and drivers maintained by Cambridge Electronic Design alongside third-party labs at University College London and Harvard University. The software stack interfaced with analysis packages used in publications from groups at University of California, San Francisco, Cold Spring Harbor Laboratory, Imperial College London and Johns Hopkins University. Toolchains supported scripting workflows reminiscent of environments promoted by Matlab, LabVIEW, FORTRAN and early BASIC ecosystems. Integration with data-management practices conformed with archival norms encouraged by repositories like European Bioinformatics Institute and National Center for Biotechnology Information.

Micro1401 facilitated digitization of action potentials, synaptic currents and analog signals recorded in paradigms practiced by researchers linked to Nobel Prize-winning work in electrophysiology. The device supported sampling and filtering routines comparable to methods described in papers from Nature, Science, Journal of Neuroscience and Neuron. Signal processing chains used spike detection, template matching and peristimulus time histograms applied in studies at Cold Spring Harbor Laboratory and MRC Laboratory of Molecular Biology. Data formats produced by Micro1401 were compatible with statistical and visualization workflows from groups at University of California, Berkeley, Princeton University and Yale University.

The Micro1401 was used in experiments on ionic currents and action potential propagation in nerve preparations studied by teams at Cambridge University and University of Edinburgh, and in cortical slice research associated with investigators from MIT and Columbia University. Its role is documented in methodologies across electrophysiological studies published in Proceedings of the Royal Society B, European Journal of Neuroscience and clinical neuroscience reports from Guy's Hospital and Mayo Clinic. The interface supported behavioral neuroscience paradigms employed by labs connected to University of Pennsylvania and systems-neuroscience projects at Max Planck Institute for Brain Research.

Developed by Cambridge Electronic Design during a period of rapid expansion in laboratory computing, the Micro1401 influenced data-acquisition standards adopted by academic facilities at University of Cambridge, University of Oxford and University College London. Its adoption intersected with the growth of computational neuroscience programs at University of California, San Diego and University of Toronto. The platform’s blend of real-time control and analysis contributed to reproducibility practices later emphasized by initiatives at Wellcome Trust and National Institutes of Health. Legacy usage informed subsequent product lines from Cambridge Electronic Design and competitive designs from National Instruments and others serving biomedical research centers such as Karolinska Institutet and Institut Pasteur.

Category:Electrophysiology equipment Category:Cambridge Electronic Design