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Exogenous and endogenous spatial attention in crows.

Malte Quest¹, Paul Rinnert¹, Linus Hahner¹

¹Animal Physiology Unit, Institute of Neurobiology, University of Tuebingen, 72076 Tuebingen, Germany.

Proceedings of the National Academy of Sciences of the United States of America

|November 28, 2022

Summary

This summary is machine-generated.

Carrion crows exhibit both automatic exogenous attention and volitional endogenous attention. These findings reveal sophisticated attentional control in nonprimate species.

Keywords:

attention cognitive control corvid psychophysics

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Area of Science:

Cognitive Ethology
Neuroscience
Animal Cognition

Background:

Selective processing is crucial for environmental interaction.
Attentional mechanisms in nonprimate species are not well understood.
Understanding avian cognition offers insights into general attention principles.

Purpose of the Study:

To investigate the presence and characteristics of exogenous and endogenous attention in carrion crows.
To compare the temporal dynamics and scope of different attentional systems in corvids.
To determine if crows possess distinct automatic and volitional attention mechanisms.

Main Methods:

Carrion crows were trained on Posner spatial cueing tasks.
Two protocols were used: one with non-predictive cues (exogenous attention) and one with predictive cues (endogenous attention).
Reaction times were measured for valid and invalid cue conditions to assess attentional effects.

Main Results:

A transient reaction time advantage in the non-predictive cue condition indicated mild exogenous attention.
A strong and sustained performance advantage in the predictive cue condition demonstrated robust endogenous attention.
Crows showed differential performance based on cue predictability and timing.

Conclusions:

Carrion crows possess both exogenous and endogenous attentional mechanisms.
These findings highlight substantial attentional capacity and cognitive control in crows.
The study advances our understanding of attention evolution and avian cognitive abilities.