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Using Pharmacological Manipulation and High-precision Radio Telemetry to Study the Spatial Cognition in Free-ranging Animals

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No need for a cognitive map: decentralized memory for insect navigation.

Holk Cruse¹, Rüdiger Wehner

¹Biological Cybernetics, and Center for Excellence CITEC, University of Bielefeld, Bielefeld, Germany. Holk.Cruse@Uni-Bielefeld.de

Plos Computational Biology

|March 30, 2011

Summary

This summary is machine-generated.

Animals can navigate without cognitive maps. This study proposes a neural network model based on path integration and landmark guidance, demonstrating map-like navigation behaviors in simulations without a global spatial representation.

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Area of Science:

Neuroscience
Animal Behavior
Artificial Intelligence

Background:

Animal navigation is crucial for foraging and survival.
Path integration is a known navigation mechanism, but the existence of cognitive maps in animals is debated.
Cognitive maps are hypothesized to enable shortcuts by providing a global spatial representation.

Purpose of the Study:

To develop an artificial neural network model for animal navigation.
To investigate if complex navigation behaviors can emerge without a cognitive map.
To propose a neural basis for these behaviors in insect brains.

Main Methods:

Utilized an artificial neural network approach.
Implemented path integration and landmark guidance mechanisms.
Incorporated motivation and lateral inhibition networks within the system.

Main Results:

The artificial agent demonstrated complex navigational tasks without a cognitive map.
Map-like behaviors, observed in species like honey bees, emerged from the decentralized network.
The system showed that such behaviors can arise without a global spatial representation.

Conclusions:

Complex animal navigation can be explained without invoking cognitive maps.
The proposed network model, potentially located in insect mushroom bodies, offers an alternative explanation for map-like navigation.
This research challenges the necessity of cognitive maps for sophisticated spatial orientation.