Teammates

Ansuman Mohanty and Shwetarupalika Das

VEP DEMONSTRATION VIDEO

Results - Subject 4

Results - Subject 3

Results - Subject 2

Results - Subject 1

Inference Drawn

Modified VEP inference drawn

Block diagram of the VEP system

Block diagram of the VEP system

Animation modified

Our work in implementation 2

Tabulation 2

READING 3

READING 2

The readings obtained are as follows -

READING 1

Our work in implementation 1

The standard VEP readings is as follows -

TABULATION 1

Electrodes used

The electrodes used in LVPEI,Bhubaneswar

The pics of the electrodes used are given below -

Gold disk electrodes

modified VEP analysis

BLOCK DIAGRAM

Filters for removing the noise

The VERIS 6.0.9 (visually evoked response system) was used so as to carry out the VEP testing.
The readings were taken when the subject was focussing on the animation part properly .

The reading obtained were then passed through the FILTER which constituted of all types of filter including the low pass,high pass,butterworth and the chebychev type of filters.
The specifications were altered and readings after the filter was passed was seen.
The type and specification of each and every filter which was mentioned will vary from person to person.

Technical overview

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The normal VEP readings obtained when taken for a normal patient

The standard VEP specifications are as follows -

 

 But the VEP was needed to be modified so as to make it more compatable for analysing the Amblyopia patients.Hence the modified VEP specifications are as follows -

The checker board pattern used in VEP