ADInstruments Bio Amp, Руководство пользователя

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Chapter 1 Overview
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The lead wires supplied are of the type used for ECG studies. They click into
place in the cable yoke, and have snap connectors at the other end to connect
to typical ECG electrodes. The leads are color-coded for identification. The
labels on the Bio Amp cable also have color spots to help sort out which cables
connect where and what they are measuring. (The colors are arbitrary, since
the PowerLab system is for general-purpose recording.)
Connections to the Octal Bio Amp inputs can be made with the supplied lead
wires. The input sockets are for unshielded, single-ended lead wires with a 2
mm inside diameter with 1.5 mm pins.
ADInstruments supplies other types of lead wires that connect to the Bio
Amp cable yoke, such as EEG Flat Electrodes and dry earth straps. Also
available are disposable and reusable electrodes, electrode cream (for reusable
electrodes), and abrasive gel, for lightly abrading the skin before the electrodes
are attached.
Types of Measurement
Standard electrophysiology texts describe various standard signals and how to
measure them. ADInstruments also produces materials describing specific
uses of Bio Amps, such as Application Notes, that can be downloaded from
the ADInstruments website or obtained from your ADInstruments
representative.
The Bio Amp can measure a wide variety of biological signal sources. Some of
these measurements include:
ECG . Electrocardiogram (also referred to as EKG); a recording of surface
potentials due to electrical currents associated with the heartbeat.
EEG
. Electroencephalogram; a recording of the electrical activity of the brain.
Scalp electrodes record potential waves (10–100 μV) representing the
summed activity of cortical neurons.
To Bio Amp
To Dual Bio Amp
To electrodes
To electrodes
Figure 1–3
Bio Amp cable yokes, with
leads attached: 3 leads for
the Bio Amp, and 5 leads
for the Dual Bio Amp