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J Neurosci Methods. 2001 Sep 30;110(1-2):103-11.

Non-contact eye-tracking on cats.

Author information

1
Institute of Neuroinformatics, ETH/University Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland. koerding@ini.phys.ethz.ch

Abstract

The objective of visual systems neuroscience has shifted over the past few years from determining the receptive fields of cells towards the understanding of higher level cognition in awake animals viewing natural stimuli. In experiments with awake animals it is important to control the relevant aspects of behavior. Most important for vision science is the control of the direction of gaze. Here we present Dual Purkinje eye-tracking on cats, which--as a non-contact method--brings a number of advantages. Along with the presented methods for calibration and for synchronization to off-the-shelf video presentation hardware, this method allows high precision experiments to be performed on cats freely viewing videos of natural scenes.

PMID:
11564530
[Indexed for MEDLINE]

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