![]() Therefore, we asked which visual features might be represented at this high-order integration level. However, in addition to multisensory units a prominent population of MBONs was sensitive to visual cues only. These neurons categorize incoming sensory inputs into olfactory, visual, and olfactory-visual information. This was physiologically confirmed in our previous study by characterizing a subpopulation of multisensory MBONs. MBONs represent the first processing level after olfactory-visual convergence in the honeybee brain. To unravel the complex neural mechanisms behind this process we studied honeybee mushroom body output neurons (MBON). Hence, dependent on the context, one modality might be leading and influence the processing of other modalities. Moreover, homing after successful foraging using celestial cues and the panoramic scenery may be dominated by visual cues. For instance, for a foraging honeybee the association of a food source includes the combination of olfactory and visual cues to be categorized as a flower. Multisensory integration plays a central role in perception, as all behaviors usually require the input of different sensory signals.
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