Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Visual pattern memory without shape recognition

M Dill1, M Heisenberg

  • 1Theodor-Boveri-Institut für Biowissenschaften, Lehrstuhl für Genetik Am Hubland, Würzburg, Germany.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|August 29, 1995
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The beauty of the network in the brain and the origin of the mind in the control of behavior.

Journal of neurogenetics·2014
Same author

'Humans and other animals'-on the scope of brain science.

Journal of neurogenetics·2012
Same author

Are the structural changes in adult Drosophila mushroom bodies memory traces? Studies on biochemical learning mutants.

Journal of neurogenetics·2007
Same author

The central complex of Drosophila melanogaster is involved in flight control: studies on mutants and mosaics of the gene ellipsoid body open.

Journal of neurogenetics·2007
Same author

[Role of mushroom bodies and the central complex of Drosophila melanogaster in the organisation of courtship behavior and communicative vocalization].

Zhurnal evoliutsionnoi biokhimii i fiziologii·2005
Same author

[Architecture of the X chromosome, expression of LIM kinase 1, and recombination in the agnostic mutants of Drosophila: a model of human Williams syndrome].

Genetika·2004
Same journal

The microlandscapes of tree trunks: the effect of lichen and tree-level characteristics on arthropod communities.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Centimetre-scale landscapes to assess the motion behaviour and cognition of gastropods and bivalves.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Intertidal microcosms of wave-swept rocky shores: ecological and physiological insights from a uniquely stressful environment.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Temporal and spatial variation in temperature and oxygen at the microscale: key niche axes for aquatic life.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Natural microcosms in ecology: fulfilling the promise of model systems?

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Microbe-induced galls and plant defence: metabolite crosstalk in a co-evolutionary battle.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
See all related articles

Fruit flies (Drosophila melanogaster) remember visual patterns by matching pixels, not by analyzing shape. They prefer novel images, indicating a basic form of visual memory.

Area of Science:

  • Neuroscience
  • Animal Behavior
  • Cognitive Science

Background:

  • Investigating visual pattern memory in Drosophila melanogaster provides insights into fundamental mechanisms of recognition.
  • Understanding how simple organisms process visual information can illuminate basic principles of memory and learning.

Purpose of the Study:

  • To explore the nature of visual pattern memory in fruit flies using a novel learning paradigm.
  • To determine the criteria flies use for recognizing familiar visual patterns.

Main Methods:

  • A new learning paradigm, 'novelty choice,' was employed, exposing flies to identical patterns and then offering a choice between novel and familiar ones.
  • Testing involved presenting patterns at different heights, sizes, orientations, and contrast levels to assess recognition flexibility.

Related Experiment Videos

Main Results:

  • Flies demonstrated a consistent preference for novel visual patterns over familiar ones.
  • Recognition failed when patterns were altered in height, size, rotation, or contrast, suggesting a lack of sophisticated invariance mechanisms.
  • A pixel-by-pixel matching model, incorporating a graded similarity function based on overlap area, effectively explained the observed data.

Conclusions:

  • Drosophila melanogaster's visual pattern memory operates at a basic level, relying on direct image matching rather than abstract shape analysis.
  • The findings suggest that visual recognition in flies is sensitive to specific image features and lacks complex shape invariance.
  • The study highlights the role of overlap area in a similarity function for pattern recognition in a simple visual system.