Higher order visual input to the mushroom bodies in the bee, Bombus impatiens

Angelique C. Paulk, Wulfila Gronenberg

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

To produce appropriate behaviors based on biologically relevant associations, sensory pathways conveying different modalities are integrated by higher-order central brain structures, such as insect mushroom bodies. To address this function of sensory integration, we characterized the structure and response of optic lobe (OL) neurons projecting to the calyces of the mushroom bodies in bees. Bees are well known for their visual learning and memory capabilities and their brains possess major direct visual input from the optic lobes to the mushroom bodies. To functionally characterize these visual inputs to the mushroom bodies, we recorded intracellularly from neurons in bumblebees (Apidae: Bombus impatiens) and a single neuron in a honeybee (Apidae: Apis mellifera) while presenting color and motion stimuli. All of the mushroom body input neurons were color sensitive while a subset was motion sensitive. Additionally, most of the mushroom body input neurons would respond to the first, but not to subsequent, presentations of repeated stimuli. In general, the medulla or lobula neurons projecting to the calyx signaled specific chromatic, temporal, and motion features of the visual world to the mushroom bodies, which included sensory information required for the biologically relevant associations bees form during foraging tasks.

Original languageEnglish (US)
Pages (from-to)443-458
Number of pages16
JournalArthropod Structure and Development
Volume37
Issue number6
DOIs
StatePublished - Nov 2008

Fingerprint

Impatiens
Bombus impatiens
Mushroom Bodies
mushroom bodies
Bees
mushroom
bee
Apoidea
neurons
Neurons
optic lobe
Color
Apidae
calyx
brain
color
honeybee
Brain
Bombus
Apis mellifera

Keywords

  • Bumblebee
  • Color processing
  • Honeybee
  • Insect brain
  • Motion

ASJC Scopus subject areas

  • Insect Science
  • Developmental Biology

Cite this

Higher order visual input to the mushroom bodies in the bee, Bombus impatiens. / Paulk, Angelique C.; Gronenberg, Wulfila.

In: Arthropod Structure and Development, Vol. 37, No. 6, 11.2008, p. 443-458.

Research output: Contribution to journalArticle

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