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Updated: Aug 6, 2026
13:55
Simultaneous Long-term Recordings at Two Neuronal Processing Stages in Behaving Honeybees
Published on: July 21, 2014
Are There Two Honeybees in One Honeybee Brain?
Aswathy Vinod1, Sandhya Mogily1, Joby Joseph1
1Centre for Neural and Cognitive Sciences, University of Hyderabad, Gachibowli, Hyderabad 500046, India.
Integrative and Comparative Biology
|July 16, 2026
Summary
Honeybee brains may function as two independent learning systems. Visual and olfactory learning, along with stimulus valence, are processed separately on each brain side, suggesting a dual-brain system.
Area of Science:
- Neuroscience
- Animal Behavior
- Sensory Processing
Background:
- The concept of a unified self in insects remains unclear.
- Insect brains may process information independently on each side.
- Previous research indicates olfactory learning is lateralized in honeybees.
Purpose of the Study:
- To investigate if visual and olfactory learning are lateralized in the honeybee brain.
- To determine if learned stimulus valence is shared across brain hemispheres.
- To explore the independence of learning systems in insect cognition.
Main Methods:
- Utilized a modified proboscis extension response (PER) conditioning protocol.
- Employed both visual and olfactory conditioning paradigms.
- Tested memory and valence accessibility on the trained and untrained brain sides.
Main Results:
- Visual learning memory was found to be restricted to the trained side.
- Olfactory inhibitory learning showed similar lateralization.
- Learned stimulus valence was not accessible contralaterally.
Conclusions:
- Honeybee learning and memory appear to be highly lateralized.
- Findings support the hypothesis of independent processing systems within the insect brain.
- The honeybee brain may operate as two distinct learning entities.
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