Spatial orientation in navigating agents: Modeling head-direction cells

نویسندگان

  • Angelo Arleo
  • Wulfram Gerstner
چکیده

A model that is consistent with several neurophysiological properties of biological headdirection cells is presented. The dynamics of the system is primarily controlled by idiothetic signals which determine the direction selectivity property. By means of LTP correlation learning, allothetic cues are incorporated to stabilize the direction representation over time. The interaction between allothetic and idiothetic signals to control head-direction cells is studied. Experimental results obtained by validating the model on a mobile Khepera robot are given. The neural system enables the robot to track its allocentric heading e!ectively. 2001 Elsevier Science B.V. All rights reserved.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Modeling the Bat Spatial Navigation System: A Neuromorphic VLSI Approach

Title of Document: MODELING THE BAT SPATIAL NAVIGATION SYSTEM: A NEUROMORPHIC VLSI APPROACH Tarek M Massoud, Doctor of Philosophy, 2012 Directed By: Professor Timothy K. Horiuchi Department of Electrical and Computer Engineering Autonomously navigating robots have long been a tough challenge facing engineers. The recent push to develop micro-aerial vehicles for practical military, civilian, and...

متن کامل

Categorical fracture orientation modeling: applied to an Iranian oil field

Fracture orientation is a prominent factor in determining the reservoir fluid flow direction in a formation because fractures are the major paths through which fluid flow occurs. Hence, a true modeling of orientation leads to a reliable prediction of fluid flow. Traditionally, various distributions are used for orientation modeling in fracture networks. Although they offer a fairly suitable est...

متن کامل

Direction and Location Are Not Sufficient for Navigating in Nonrigid Environments: An Empirical Study in Augmented Reality

Nonrigid environments, such as the human colon, present unique challenges in maintaining spatial orientation during navigation. This paper presents a design concept for presenting spatial information in an augmented reality (AR) display, together with results of an experiment conducted to evaluate the relative usefulness of three types of spatial information for supporting navigation and spatia...

متن کامل

Spatial Memory and Spatial Orientation

Navigating through a remembered space depends critically on the ability to stay oriented with respect to the remembered environment and to reorient after becoming lost. This chapter describes the roles of long-term spatial memory, sensorimotor spatial memory, and path integration in determining spatial orientation. Experiments presented here highlight the reference direction structure of long-t...

متن کامل

Head direction cells recorded in the anterior thalamic nuclei of freely moving rats.

Previous studies have identified neurons in the postsubiculum which discharge as a function of the animal's head direction in the horizontal plane, independent of its behavior and location in the environment. Anatomical studies have shown that the postsubiculum contains reciprocal connections with the anterior thalamic nuclei (ATN). In order to determine how the head direction (HD) cell signal ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:
  • Neurocomputing

دوره 38-40  شماره 

صفحات  -

تاریخ انتشار 2001