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

Distinguishing direction selectivity from orientation selectivity in the rabbit retina

S He1, W R Levick, D I Vaney

  • 1Division of Neurosciences, John Curtin School of Medical Research, Australian National University, Canberra, ACT.

Visual Neuroscience
|July 31, 1998
PubMed
Summary

Direction selectivity in rabbit retinal ganglion cells (DS cells) is distinct from orientation selectivity (OS cells). Orientation bias does not generate direction selectivity, suggesting different underlying mechanisms for these visual processing attributes.

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

[Progress of heart failure treatment in 2019].

Zhonghua xin xue guan bing za zhi·2020
Same author

On the glacial-interglacial variability of the Asian monsoon in speleothem δ<sup>18</sup>O records.

Science advances·2020
Same author

[Study on the characteristics of major birth defects in 1.69 million cases of fetus in Guangxi Zhuang Autonomous Region].

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi·2020
Same author

Integrated analysis of different mRNA and miRNA profiles in human hypopharyngeal squamous cell carcinoma sensitive and resistant to chemotherapy.

Neoplasma·2020
Same author

Expression of Raptor and Rictor and their relationships with angiogenesis in colorectal cancer.

Neoplasma·2020
Same author

[The diagnostic utility of thin-slice CT navigation combined with radial endobronchial ultrasound for peripheral pulmonary lesions].

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases·2019

Area of Science:

  • Neuroscience
  • Retinal Physiology

Background:

  • Direction selectivity (DS) and orientation selectivity (OS) are crucial visual processing functions in the retina.
  • Understanding the distinct mechanisms underlying these selectivities is key to comprehending visual information processing.

Purpose of the Study:

  • To investigate and differentiate the mechanisms of direction selectivity and orientation selectivity in rabbit retinal ganglion cells.
  • To determine if orientation bias contributes to the generation of direction selectivity.

Main Methods:

  • In vivo electrophysiological recordings of spike activities in rabbit retinal ganglion cells.
  • Utilized various visual stimuli including flashing slits, moving edges, and whole-field drifting gratings.
  • Applied Fourier analysis to quantify directional and orientational components of cell responses.

Related Experiment Videos

Main Results:

  • Direction-selective (DS) cells exhibited strong directional and variable orientational components, with intact inhibitory surrounds.
  • Orientation-selective (OS) cells showed predominant orientational components and minimal directional components.
  • No consistent relationship was found between the phase of orientation bias and the preferred direction in DS cells.

Conclusions:

  • Orientation bias in DS cells does not appear to contribute to the generation of direction selectivity.
  • The mechanisms generating orientation bias in DS cells differ from those responsible for orientation selectivity in OS cells.
  • The mechanism for orientation bias in rabbit DS cells may be analogous to that observed in cat concentric cells.