RetinotopicNET: An Efficient Simulator for Retinotopic Visual Architectures

نویسنده

  • Raul Cristian Muresan
چکیده

RetinotopicNET is an efficient simulator for neural architectures with retinotopic-like receptive fields. The system has two main characteristics: it is event-driven and it takes advantage of the retinotopic arrangement in the receptive fields. The dynamics of the simulator are driven by the spike events of the simple integrate-and-fire neurons. By using an implicit synaptic rule to represent the synapses, RetinotopicNET achieves a great reduction of memory requirement for simulation. We show that under such conditions the system is fit for the simulation of very large networks of integrate-and-fire neurons. Furthermore we test RetinotopicNET in the simulation of a complex neural architecture for the ventral visual pathway. We prove that the system is linearly scalable with respect to the number of neurons in the simulation. Key-words: Neural simulator; Retinotopy; Receptive fields; Event-driven; Spikes.

برای دانلود 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

fMRI of peripheral visual field representation.

OBJECTIVE Despite mapping tools for central visual field, delineation of peripheral visual field representations in the human cortex has remained a challenge. Access to large visual field and differentiation of retinotopic areas with robust mapping procedures and automated analysis are beneficial in basic research and could accelerate development of clinical applications. METHODS We construct...

متن کامل

A Routing-Aware Simulated Annealing-based Placement Method in Wireless Network on Chips

Wireless network on chip (WiNoC) is one of the promising on-chip interconnection networks for on-chip system architectures. In addition to wired links, these architectures also use wireless links. Using these wireless links makes packets reach destination nodes faster and with less power consumption. These wireless links are provided by wireless interfaces in wireless routers. The WiNoC archite...

متن کامل

Behavioral analysis of Drosophila landmark learning in the flight simulator.

Drosophila flies can be trained in the flight simulator to operantly avoid heat by choosing certain orientations relative to landmarks. Flies primarily store pattern orientations associated with the absence of heat. They readily escape from heat-associated orientations under the direct influence of the reinforcer but not in the subsequent memory tests. The flies tend to keep the largest possibl...

متن کامل

Functional architecture of retinotopy in visual association cortex of behaving monkey.

While the receptive field properties of single neurons in the inferior parietal cortex have been quantitatively described from numerous electrical measurements, the visual topography of area 7a and the adjacent dorsal prelunate area (DP) remains unknown. This lacuna may be a technical byproduct of the difficulty of reconstructing tens to hundreds of penetrations, or may be the result of varying...

متن کامل

A Power and Performance Simulator for a Single-Chip Message-Passing Parallel Architecture

Single-chip parallel computer architectures may provide a solution to the wire latency problem expected as device fecture sizes shrink. Hence the development of efficient single-chip parallel computer is an active area of research. Extensive design space exploration of such architectures requires an architectural simulator that evaluates both power and performance. The available parallel comput...

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

برای دانلود 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

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2003