The document summarizes the Brain Port vision device, which allows blind individuals to see using their tongue. It consists of a small camera that captures images and converts them into electrical pulses on a lollipop-shaped electrode array placed on the tongue. The pulses are interpreted by the brain as visual information. After training, users can identify shapes, read letters, and perceive depth. The device provides an alternative sensory pathway for vision and does not require sight to operate, potentially helping those who are completely blind.

1. BRAIN PORT VISION DEVICE
BACHELOR OF TECHNOLOGY
IN
COMPUTER SCIENCE AND ENGINEERING
BY
B.AAKASH(19VE1A05C5)
UNDER THE GUIDANCE OF
SRILATHA PULI
ASSISTANT PROFESSOR
(2019-2023)

2. INTRODUCTION
An electric lollipop that allows the blind to ‘See’ using their
tongue has been developed By scientists The machine is called
the Brain Port vision Device

3. INTRODUCTION
 The electric lollipop or BrainPort vision device captures
images using a tiny camera and then converts the image
into tiny tingles on the tongue.
 The tingles are then sent to the brain which then converts
the tingles into pictures
 After a few days practicing people, who otherwise
couldn’t see, were able to make out shapes, read signs and
even read letters

4. Discovery of Device
 Brain Port is a technology where by sensory information can be
sent to one's brain via a signal from the Brain Port (and its
associated sensor) that terminates in an electrode array which sits
atop the tongue.
 It was initially developed by Paul Bach-y-Rita as an aid to
people's sense of balance, particularly of stroke victims.
 Brain Port technology has been developed for use as a visual aid.
 For example, the Brain Port has demonstrated its ability to allow
a blind person to see his surroundings in polygonal and pixel
form

5. Why only Tongue
 Skin of tongue is more sensitive than any other body part.
 The tongue was the ideal place to provide information
through tactile stimulation . There is a high level of nerve
endings in tongue, similar to a finger. And the tongue is
constantly moist, so there is constant electric conductivity.

6. WHAT BRAINPORT USERS SEE
 With the current prototype (arrays containing 100 to 600+
electrodes), study participants have recognized the location and
movement of high-contrast objects and some aspects of
perspective and depth. In most studies, participants use the device
for between two and 10 hours, often achieving the following
milestones:

7. WHAT BRAINPORT USERS SEE
 Within minutes: users perceive where in space stimulation
arises (up, down, left, and right) and the direction of movement
 Within an hour: users can identify and reach for nearby objects,
and point to and estimate the distance of objects out of reach
 Within several hours: users can identify letters and numbers
and can recognize landmark information.

8. HARDWARE AND SOFTWARE REQUIREMENTS
Camera
User controls,
A rechargeable battery,
 The tongue array

9. Parts Of Device
 Digital Video Camera :
 Brain port vision device consists of a digital Video camera
placed in the pair of glasses.
 Visual data is captured through the camera (1.5cm in
diameter).
 Signals from the camera are then passed to the Brain port
device along a cable and then to the lollipop-shaped stick,
placed on the tongue.

10. Parts Of Device
 Brain Port Balance :
 Power Button: Used to start and stop the brain port
balance.
 Control Unit: This unit comprises of a CPU and Battery
CPU is used here to convert the digital output from the
camera into electric pulses. Brain port balance works with
the help of a battery.

11. Parts Of Device
 Lollipop shaped stick :
It consists of Three Parts, they are:
a) Electrode Array
b) Simulation Circuitry,
c) Accelerometer

12. Parts Of Device
 Electrode Array:
 The lollipop contains a square grid of 400 electrodes
which pulse according to how much light is in that area of
the picture.
 It converts pictures into electrical pulses and it is placed
on tongue.

13. Parts Of Device
 Stimulation Circuitry:
It consists of
A. User Interface: User interface allows selection of current
and voltage mode.
B. Processor: Configures the brain port device.
Accelerometer:
1. Accelerometer is used on the other side of the electrode
array to give information about body and head position
to brain through electrical stimulation of tongue.

14. ADVANTAGES
1. Brain Port device does not replace the sense of sight, it
adds to other sensory experiences to give users
information about the size, shape and location of objects.
2. Users can operate it independently with a handheld
controller.
 3. A pair of sunglasses wired to an electric “lollipop”
helps the visually impaired regain optical sensations via a
different pathway Therefore device is like normal
sunglasses hence it does not look bad.
4. It uses a rechargeable battery like in normal cell
phones.

15. DISADVANTAGES
 This technology can’t be adapted to work on senses the
brain doesn’t already have.
 The Brain Port requires training the brain incrementally
using daily practice sessions.
 Not affordable to common people.
 Occasionally it will produce weak metallic taste
sensations, a minor side effect.

16. IMPLEMENTATION
An inch-long camera hidden in sunglasses sends image to
a handled control unit.
The control unit converts the image into a low resolution
black , white and grey picture.
Image recreated on a grid of 400 electrodes .Each one
pulses according to how much light is in that area of the
picture.
User ‘feels’ the shape and detects movement on their
tongue.
Brain eventually learns to ‘see’ the shape detected on
tongue.

17. WORKING

18. WORKING
 A camera picks up the image of the surrounding; the
information is processed by a chip which converts it
into impulses which are sent through an electrode array,
via the tongue, to the person's brain.
 The human brain is able to interpret these impulses as
visual signals and they are then redirected to the visual
cortex, allowing the person to see

19. APPLICATIONS
 Providers vestibular or balance information for people
with balance disorders.
 Provides directional or navigational information for
people who operate under central command and control
scenarios, such as military and civilian rescue personnel.
 Provides very crude visual information through the tongue
for persons who are completely blind.

20. TECHNOLOGIES
Biomechatronics
Brain port Cyberware
Exocortex
Intelligence amplification
Neurotechnology
 Optogenetics
Sensory substitution
Synthetic telepathy.

21. CONCLUSION
The BrainPort vision device allows users to directly and
independently perceive the environment in a novel way.
There is a hope that this device can make a serious
Difference for patients whose sight cannot be replaced.
Thus we hope that blind people can also see this
colourful world by using this brain port device.

22. REFERENCES
http://science.howstuffworks.com/brainport3.htm
http://www.fastcompany.com/1836861/howwicabs-
brainport-technology-gives-sigh
http://www.scientificamerican.com/article/devicelets-
blind-see-with-tongues

23. FUTURE SCOPE
 This technology can’t be adapted to work on senses the brain
doesn’t already have. So, The research center wibac is trying
to implement this kind of people also.
 The Brain Port requires training the brain incrementally
using daily practice sessions. Reduce time period of learning
classes ·
 When it comes in market its cost is around $10,000 so it
cannot be afforded by common People, and it will reduced
in future. ·
 Occasionally it will produce weak metallic taste sensations,
a minor side effect. We have never observed any kind of
tissue irritation with the gold-plated electrodes.

24. QUERIES???????????

25. THANKYOU !!!!