Multimodal Information Processing and Associative Learning in the Insect Brain

The study of sensory systems in insects has a long-spanning history of almost an entire century. Olfaction, vision, and gustation are thoroughly researched in several robust insect models and new discoveries are made every day on the more elusive thermo- and mechano-sensory systems. Few specialized...

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Main Authors: Devasena Thiagarajan, Silke Sachse
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Insects
Subjects:
Online Access:https://www.mdpi.com/2075-4450/13/4/332
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author Devasena Thiagarajan
Silke Sachse
author_facet Devasena Thiagarajan
Silke Sachse
author_sort Devasena Thiagarajan
collection DOAJ
description The study of sensory systems in insects has a long-spanning history of almost an entire century. Olfaction, vision, and gustation are thoroughly researched in several robust insect models and new discoveries are made every day on the more elusive thermo- and mechano-sensory systems. Few specialized senses such as hygro- and magneto-reception are also identified in some insects. In light of recent advancements in the scientific investigation of insect behavior, it is not only important to study sensory modalities individually, but also as a combination of multimodal inputs. This is of particular significance, as a combinatorial approach to study sensory behaviors mimics the real-time environment of an insect with a wide spectrum of information available to it. As a fascinating field that is recently gaining new insight, multimodal integration in insects serves as a fundamental basis to understand complex insect behaviors including, but not limited to navigation, foraging, learning, and memory. In this review, we have summarized various studies that investigated sensory integration across modalities, with emphasis on three insect models (honeybees, ants and flies), their behaviors, and the corresponding neuronal underpinnings.
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spelling doaj.art-6c84abddb2e644eda86126c78ea51d932023-12-03T13:31:34ZengMDPI AGInsects2075-44502022-03-0113433210.3390/insects13040332Multimodal Information Processing and Associative Learning in the Insect BrainDevasena Thiagarajan0Silke Sachse1Department of Evolutionary Neuroethology, Max Planck Institute for Chemical Ecology, Hans-Knöll-Str. 8, 07745 Jena, GermanyDepartment of Evolutionary Neuroethology, Max Planck Institute for Chemical Ecology, Hans-Knöll-Str. 8, 07745 Jena, GermanyThe study of sensory systems in insects has a long-spanning history of almost an entire century. Olfaction, vision, and gustation are thoroughly researched in several robust insect models and new discoveries are made every day on the more elusive thermo- and mechano-sensory systems. Few specialized senses such as hygro- and magneto-reception are also identified in some insects. In light of recent advancements in the scientific investigation of insect behavior, it is not only important to study sensory modalities individually, but also as a combination of multimodal inputs. This is of particular significance, as a combinatorial approach to study sensory behaviors mimics the real-time environment of an insect with a wide spectrum of information available to it. As a fascinating field that is recently gaining new insight, multimodal integration in insects serves as a fundamental basis to understand complex insect behaviors including, but not limited to navigation, foraging, learning, and memory. In this review, we have summarized various studies that investigated sensory integration across modalities, with emphasis on three insect models (honeybees, ants and flies), their behaviors, and the corresponding neuronal underpinnings.https://www.mdpi.com/2075-4450/13/4/332sensory systemsolfactionvisionmechanosensationgustationneuronal circuitry
spellingShingle Devasena Thiagarajan
Silke Sachse
Multimodal Information Processing and Associative Learning in the Insect Brain
Insects
sensory systems
olfaction
vision
mechanosensation
gustation
neuronal circuitry
title Multimodal Information Processing and Associative Learning in the Insect Brain
title_full Multimodal Information Processing and Associative Learning in the Insect Brain
title_fullStr Multimodal Information Processing and Associative Learning in the Insect Brain
title_full_unstemmed Multimodal Information Processing and Associative Learning in the Insect Brain
title_short Multimodal Information Processing and Associative Learning in the Insect Brain
title_sort multimodal information processing and associative learning in the insect brain
topic sensory systems
olfaction
vision
mechanosensation
gustation
neuronal circuitry
url https://www.mdpi.com/2075-4450/13/4/332
work_keys_str_mv AT devasenathiagarajan multimodalinformationprocessingandassociativelearningintheinsectbrain
AT silkesachse multimodalinformationprocessingandassociativelearningintheinsectbrain