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Related Concept Videos

Physiology of Smell and Olfactory Pathway01:20

Physiology of Smell and Olfactory Pathway

Humans detect odors with the help of specialized cells located in the upper part of the nasal cavity, called olfactory receptor neurons (ORNs). ORNs possess hair-like structures called cilia, which are receptive to sensations from the inhaled air. When an odorant molecule binds to a specific receptor on the cell of the cilia, it leads to a series of events that ultimately cause the ORN to send electrical signals to the olfactory bulb in the brain through the olfactory nerves.
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Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or playing an...
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Related Experiment Video

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Visual Classical Conditioning in Wood Ants
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Published on: October 5, 2018

Olfactory learning and memory in the bumblebee Bombus occidentalis.

Andre J Riveros1, Wulfila Gronenberg

  • 1Center for Insect Science, University of Arizona, Tucson, AZ 85721, USA. ajosafat@email.arizona.edu

Die Naturwissenschaften
|March 27, 2009
PubMed
Summary

Bumblebees show learning and memory abilities similar to honeybees. Larger body size and more foraging experience in bumblebees correlate with better memory performance, using the proboscis extension reflex (PER) for research.

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Published on: January 24, 2011

Area of Science:

  • Behavioral Ecology
  • Neuroscience
  • Entomology

Background:

  • Honeybees are established models for learning and memory.
  • Bumblebees offer advantages for indoor experiments due to physiological robustness.
  • The proboscis extension reflex (PER) is a validated method in honeybee learning research.

Purpose of the Study:

  • To investigate bumblebee learning and memory using Pavlovian odor conditioning.
  • To assess the influence of age, body size, and foraging experience on bumblebee learning.
  • To establish PER as a reliable tool for bumblebee learning research.

Main Methods:

  • Pavlovian odor conditioning with PER in bumblebees.
  • Analysis of learning and memory performance based on age, body size, and experience.
  • Comparison of bumblebee learning data with existing honeybee research.

Main Results:

  • Age did not significantly impact learning or memory.
  • A positive correlation was found between body size and memory performance.
  • Foraging experience was not essential for learning but enhanced performance.

Conclusions:

  • The proboscis extension reflex (PER) is effective for bumblebee learning and memory studies.
  • Bumblebees exhibit learning capabilities comparable to honeybees.
  • Findings contribute to understanding interspecific differences in bee behavior and social organization.