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Experimental Apparatus
The basic equipment used throughout the course consists of the
following components:
Operant Chamber
The dimensions of the chamber are as follows: Length, 26.7 cm.; width,
24.13 cm; height, 26.24 cm. The operant chamber includes a grid floor, two levers, two
speakers, an omni directional lever, a house light, two stimulus lights, an external
light, a recessed food cup and a pellet dispenser that delivers a 45-milligram Noyes food
pellet.
Control Equipment
Control of the scheduled stimulus events during experimentation and
recording of responses is done using a MED-ASSOCIATES interface system that is programmed
using a PC-based state notation language (MED-PC). The interface has a 28-V power supply,
which supplies the DC power necessary to operate the pellet dispenser, lights, and noises.
The interface has the circuitry required for the control of the experimental conditions
data collection.
MED-PC output is a record of the data that has been collected. For
further information, please refer to the MED-PC Output Explained section.
Remote Hand Switch
The experimenter's remote hand switch is connected to the smart-control
box by a detachable cable. A push button may control the reinforcement circuit, the lever
controls or the cue lights, depending on the particular programmed experiment.
NOTE: Equipment failure
and breakage should be reported immediately to the lab instructor or teaching fellow (TF).
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