Name: visualeyes: a modular software system for oculomotor experimentation
Uploaded: 2011-03-25T12:30:00
Description: Watch this Scientific Journal Video about VisualEyes: A Modular Software System for Oculomotor Experimentation at JoVE.com

Dette arbejde blev støttet delvist af en KARRIERE pris fra National Science Foundation (BES-0.447.713), og fra en bevilling fra Essilor, International.

En oversigt over de centrale elementer, der er nødvendige for at gennemføre en oculomotoriske eksperiment er vist i figur 1. Hver blok i flowdiagrammet vil blive diskuteret i detaljer nedenfor. 1. INSTRUMENTERING SET-UP: <ol><li> Enhver type øjenbevægelser monitor kan anvendes til dette system. Vi vil demonstrere en infrarød limbus sporing og et videoovervågningssystem. </li><li> For tandem sporing bevægelser såsom saccadiske eller glat udøvelse, kan en enkelt computer anvendes ti...

<ol>
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Kritiske trin: Øjenbevægelser skærme skal justeres korrekt om emnet. For eksempel øjenbevægelser optagelse skærme arbejder inden for et interval, og skal tilpasses til emnet. Hvis motivets øjenbevægelser går ud over området, så systemet bliver mættet. Ved mætning, det øjenbevægelser signalet er ikke gyldig. Kalibrering er også kritisk i øjenbevægelser optagelse. Alle øjenbevægelser skærme måle et analogt signal, som digitaliseres og skal omdannes til enheder, der almindeli...

A correction was made to <a href="http://www.jove.com/details.php?id=2530">VisualEyes: A Modular Software System for Oculomotor Experimentation</a>. There was an error in the authors, Eun H. Kim and Tara L. Alvarez, names. The author's names have been corrected to: Eun H. Kim and Tara L. Alvarez instead of: Eun Kim and Tara Alvarez

Erratum: VisualEyes: A Modular Software System for Oculomotor Experimentation

visualeyes: a modular software system for oculomotor experimentation

Øjenbevægelser undersøgelser har givet et stærkt fundament danner en forståelse af, hvordan hjernen erhverver visuel information i både den normale og dysfunktionelle hjerne. 1 imidlertid udvikling af en platform til at stimulere og opbevare øjenbevægelser kan kræve betydelige programmering, tid og omkostninger. Mange systemer tilbyder ikke fleksibilitet til at programmere mange stimuli for en række eksperimentelle behov. Men VisualEyes System har en fleksibel arkitektur, gør det muligt for føreren at vælge en baggrund og forgrund stimulus program en eller to skærme til tandem eller modsatrettede øjenbevægelser og stimulere til venstre og højre øje selvstændigt. Dette system kan reducere programmeringen af ​​udviklingen nødvendige tid til at foretage en oculomotoriske undersøgelse. Den VisualEyes systemet vil blive drøftet i tre dele: 1) oculomotor optageenhed at erhverve øjenbevægelser reaktioner, 2) VisualEyes software skrevet i LabView, at generere en række stimuliog gemme svar som tekstfiler og 3) offline dataanalyse. Bevægelser øjet kan registreres af flere typer af instrumentering som: en limbus tracking system, en sclera søgespole eller et videobillede system. Typiske øjenbevægelser stimuli såsom saccadiske trin, vergent ramper og vergent skridt med de tilsvarende svar vil blive vist. I denne video rapport viser vi fleksibiliteten i et system til at skabe mange visuelle stimuli og optage øjenbevægelser, der kan udnyttes af grundforskning og klinisk forskning for at studere sunde såvel som kliniske populationer.

Watch this Scientific Journal Video about VisualEyes: A Modular Software System for Oculomotor Experimentation at JoVE.com

VisualEyes: A Modular Software System for Oculomotor Experimentation

Neural kontrol og kognitive processer kan studeres gennem øjenbevægelser. Den VisualEyes software giver en operatør at programmere stimuli på to computerskærme uafhængigt hjælp af en simpel, brugerdefinerede scriptsprog. Systemet kan stimulere tandem øjenbevægelser (saccades og glat forfølgelse) eller modsatrettede øjenbevægelser (konvergensregioner) eller en hvilken som helst kombination.

VisualEyes: En modulær softwaresystem til øjenmotorik Eksperimenter

Eye movement studies have provided a strong foundation forming an understanding of how the brain acquires visual information in both the normal and ...

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