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Stimulating the damaged brain | Steven Laureys | TEDxUNamur


I remember the way he looked at me like

I remember the way he looked at me like you’re looking at me right now but

you’re looking at me right now but

you’re looking at me right now but strangely different and when we were

strangely different and when we were

strangely different and when we were examining him with the coma recovery

examining him with the coma recovery

examining him with the coma recovery scale which is a scale we use in people

scale which is a scale we use in people

scale which is a scale we use in people who had a coma and what we’re trying to

who had a coma and what we’re trying to

who had a coma and what we’re trying to find out whether there is any recovery

find out whether there is any recovery

find out whether there is any recovery of consciousness which for example move

of consciousness which for example move

of consciousness which for example move a mirror in front of his eyes but he

a mirror in front of his eyes but he

a mirror in front of his eyes but he will never follow and the physicians who

will never follow and the physicians who

will never follow and the physicians who sent him to us initially thought he was

sent him to us initially thought he was

sent him to us initially thought he was in a persistent vegetative state I don’t

in a persistent vegetative state I don’t

in a persistent vegetative state I don’t like that term I don’t think we can

like that term I don’t think we can

like that term I don’t think we can compare humans with vegetables plans so

compare humans with vegetables plans so

compare humans with vegetables plans so it’s chairman of the European task force

it’s chairman of the European task force

it’s chairman of the European task force well we’ve proposed to refer to them as

well we’ve proposed to refer to them as

well we’ve proposed to refer to them as being in an unresponsive wakefulness

being in an unresponsive wakefulness

being in an unresponsive wakefulness because that’s what we see there after

because that’s what we see there after

because that’s what we see there after their coma awakening meaning they open

their coma awakening meaning they open

their coma awakening meaning they open their eyes with their own responsive

their eyes with their own responsive

their eyes with their own responsive they will never respond to a simple

they will never respond to a simple

they will never respond to a simple question they will show no oriented

question they will show no oriented

question they will show no oriented responses and even if with the team at

responses and even if with the team at

responses and even if with the team at the University Hospital in yet we’ve

the University Hospital in yet we’ve

the University Hospital in yet we’ve seen many hundreds of people like him

seen many hundreds of people like him

seen many hundreds of people like him it’s still for some of them a real

it’s still for some of them a real

it’s still for some of them a real challenge and I remember wondering is

challenge and I remember wondering is

challenge and I remember wondering is there anybody in there and the story I

there anybody in there and the story I

there anybody in there and the story I would like to share today with you is

would like to share today with you is

would like to share today with you is the one of a man named loris and he

the one of a man named loris and he

the one of a man named loris and he agreed that I would tell you historian

agreed that I would tell you historian

agreed that I would tell you historian so that his parents who actually

so that his parents who actually

so that his parents who actually encouraged me to tell what happens he

encouraged me to tell what happens he

encouraged me to tell what happens he was at a party with his girlfriend and

was at a party with his girlfriend and

was at a party with his girlfriend and two of his friends and they had quite a

two of his friends and they had quite a

two of his friends and they had quite a lot of drinks and

lot of drinks and

lot of drinks and wanted to drive back home but their car

wanted to drive back home but their car

wanted to drive back home but their car hit the truck and they all died except

hit the truck and they all died except

hit the truck and they all died except for Loras who survived the spirit and

for Loras who survived the spirit and

for Loras who survived the spirit and intensive care were initially was

intensive care were initially was

intensive care were initially was breathing through a machine and then he

breathing through a machine and then he

breathing through a machine and then he started to breathe on his own and he

started to breathe on his own and he

started to breathe on his own and he opened his eyes and he was one of these

opened his eyes and he was one of these

opened his eyes and he was one of these patients who were sent to us and yet

patients who were sent to us and yet

patients who were sent to us and yet from all over Europe actually basically

from all over Europe actually basically

from all over Europe actually basically for two questions and that is is there

for two questions and that is is there

for two questions and that is is there any consciousness and the second

any consciousness and the second

any consciousness and the second question is there anything we can do to

question is there anything we can do to

question is there anything we can do to help them so let me share here with you

help them so let me share here with you

help them so let me share here with you the brain scans so what we see here is

the brain scans so what we see here is

the brain scans so what we see here is an MRI looking into his brain and you

an MRI looking into his brain and you

an MRI looking into his brain and you see a normal brain with all these

see a normal brain with all these

see a normal brain with all these billions of neurons taking a lot of

billions of neurons taking a lot of

billions of neurons taking a lot of space and in his case there is an

space and in his case there is an

space and in his case there is an atrophy the brain really is much smaller

atrophy the brain really is much smaller

atrophy the brain really is much smaller and it’s this black this is fluid taking

and it’s this black this is fluid taking

and it’s this black this is fluid taking the place of what should be brain and

the place of what should be brain and

the place of what should be brain and that is caused by that traumatic car

that is caused by that traumatic car

that is caused by that traumatic car accident but now let’s look inside and

accident but now let’s look inside and

accident but now let’s look inside and look at the connections in this brain

look at the connections in this brain

look at the connections in this brain and again you see in a normal brain it

and again you see in a normal brain it

and again you see in a normal brain it sits like a tree with all these branches

sits like a tree with all these branches

sits like a tree with all these branches these connections we call axons and you

these connections we call axons and you

these connections we call axons and you see basically the fragility and in his

see basically the fragility and in his

see basically the fragility and in his brain it’s very clear that there is way

brain it’s very clear that there is way

brain it’s very clear that there is way less of these branches this is what we

less of these branches this is what we

less of these branches this is what we call by fuse external injury it’s it’s

call by fuse external injury it’s it’s

call by fuse external injury it’s it’s all over the brain and this shock

all over the brain and this shock

all over the brain and this shock basically broke these brain connections

basically broke these brain connections

basically broke these brain connections and was the reason for him to become

and was the reason for him to become

and was the reason for him to become Atos but we still wonder okay there’s a

Atos but we still wonder okay there’s a

Atos but we still wonder okay there’s a lot of damage here but would there still

lot of damage here but would there still

lot of damage here but would there still be a functioning brain somehow a

be a functioning brain somehow a

be a functioning brain somehow a functioning mind and that’s why we do

functioning mind and that’s why we do

functioning mind and that’s why we do another test which is called PET CT

another test which is called PET CT

another test which is called PET CT where we basically inject radioactive

where we basically inject radioactive

where we basically inject radioactive sugar and your brain is using a

sugar and your brain is using a

sugar and your brain is using a of energy and we can see it here you see

of energy and we can see it here you see

of energy and we can see it here you see the yellow it’s it’s these neurons using

the yellow it’s it’s these neurons using

the yellow it’s it’s these neurons using the sugar and in his case well we see

the sugar and in his case well we see

the sugar and in his case well we see that there are some parts some islands

that there are some parts some islands

that there are some parts some islands in his gray matter also being active so

in his gray matter also being active so

in his gray matter also being active so there seems to be a functioning brain a

there seems to be a functioning brain a

there seems to be a functioning brain a functioning mind and we can also try to

functioning mind and we can also try to

functioning mind and we can also try to access that by using what is called a

access that by using what is called a

access that by using what is called a brain computer interface so here we look

brain computer interface so here we look

brain computer interface so here we look at the electrical activity of his brain

at the electrical activity of his brain

at the electrical activity of his brain let’s just look at the from there in red

let’s just look at the from there in red

let’s just look at the from there in red and you see that when we’re presenting

and you see that when we’re presenting

and you see that when we’re presenting him with different sounds his brain will

him with different sounds his brain will

him with different sounds his brain will react differently that’s that green part

react differently that’s that green part

react differently that’s that green part so yes we’ve answered the first question

so yes we’ve answered the first question

so yes we’ve answered the first question he is somehow in there perceiving seeing

he is somehow in there perceiving seeing

he is somehow in there perceiving seeing feeling even if it calmed communicated

feeling even if it calmed communicated

feeling even if it calmed communicated this is what we call a minimally

this is what we call a minimally

this is what we call a minimally conscious State and I think it’s very

conscious State and I think it’s very

conscious State and I think it’s very important to try and answer that first

important to try and answer that first

important to try and answer that first question whether or not these patients

question whether or not these patients

question whether or not these patients are conscious because of course many

are conscious because of course many

are conscious because of course many things change because now we no llores

things change because now we no llores

things change because now we no llores can perceive emotions with also pain so

can perceive emotions with also pain so

can perceive emotions with also pain so we should be very careful we should give

we should be very careful we should give

we should be very careful we should give him painkillers make sure he’s

him painkillers make sure he’s

him painkillers make sure he’s comfortable what I wanted to say is that

comfortable what I wanted to say is that

comfortable what I wanted to say is that here we answered the first question and

here we answered the first question and

here we answered the first question and that’s is he somehow conscious and yes

that’s is he somehow conscious and yes

that’s is he somehow conscious and yes he is it’s a condition we now call

he is it’s a condition we now call

he is it’s a condition we now call minimally conscious and I think it’s

minimally conscious and I think it’s

minimally conscious and I think it’s very important because many things

very important because many things

very important because many things change already we now know that loris

change already we now know that loris

change already we now know that loris can perceive emotion was also pain so

can perceive emotion was also pain so

can perceive emotion was also pain so we’ll make sure he’s comfortable receive

we’ll make sure he’s comfortable receive

we’ll make sure he’s comfortable receive painkillers but we also want to make

painkillers but we also want to make

painkillers but we also want to make sure he gets proper we have we want to

sure he gets proper we have we want to

sure he gets proper we have we want to simulate his damaged brain and that can

simulate his damaged brain and that can

simulate his damaged brain and that can be a challenge he came from France and

be a challenge he came from France and

be a challenge he came from France and there some parts of the country it’s

there some parts of the country it’s

there some parts of the country it’s very difficult actually to get access to

very difficult actually to get access to

very difficult actually to get access to these rehab centers when I saw him he

these rehab centers when I saw him he

these rehab centers when I saw him he was 27 and in the Netherlands that’s too

was 27 and in the Netherlands that’s too

was 27 and in the Netherlands that’s too old to get access to rehab after

old to get access to rehab after

old to get access to rehab after traumatic brain injury and I think that

traumatic brain injury and I think that

traumatic brain injury and I think that is outrageous we should change that

is outrageous we should change that

is outrageous we should change that now everything I’ve been telling you so

now everything I’ve been telling you so

now everything I’ve been telling you so far is like clinical routine for us all

far is like clinical routine for us all

far is like clinical routine for us all the brains

the brains

the brains and now I would like to share with you

and now I would like to share with you

and now I would like to share with you what might be a potentially new

what might be a potentially new

what might be a potentially new treatment for these people with severe

treatment for these people with severe

treatment for these people with severe traumatic brain injury and that is

traumatic brain injury and that is

traumatic brain injury and that is called transcranial direct current

called transcranial direct current

called transcranial direct current stimulation where basically we’re trying

stimulation where basically we’re trying

stimulation where basically we’re trying transcranial means it goes through the

transcranial means it goes through the

transcranial means it goes through the skull and the direct current will be

skull and the direct current will be

skull and the direct current will be applied for 20 minutes every day you see

applied for 20 minutes every day you see

applied for 20 minutes every day you see the electrodes and we’re trying to

the electrodes and we’re trying to

the electrodes and we’re trying to increase the brain function of these

increase the brain function of these

increase the brain function of these parts here in yellow you see the

parts here in yellow you see the

parts here in yellow you see the electrical fields and of course this

electrical fields and of course this

electrical fields and of course this this is a new therapy so so we take this

this is a new therapy so so we take this

this is a new therapy so so we take this through the ethics committee and we need

through the ethics committee and we need

through the ethics committee and we need the patient’s to give their informed

the patient’s to give their informed

the patient’s to give their informed consent that they come because they

consent that they come because they

consent that they come because they can’t communicate so is the family who

can’t communicate so is the family who

can’t communicate so is the family who write down they agree to participate in

write down they agree to participate in

write down they agree to participate in this scientific experiment where if you

this scientific experiment where if you

this scientific experiment where if you want to find out that a specific drug or

want to find out that a specific drug or

want to find out that a specific drug or in this case the electrical stimulation

in this case the electrical stimulation

in this case the electrical stimulation really helps you need to perform what is

really helps you need to perform what is

really helps you need to perform what is called a placebo controlled randomized

called a placebo controlled randomized

called a placebo controlled randomized double-blind study whoa that means

double-blind study whoa that means

double-blind study whoa that means placebo controlled you’re going to

placebo controlled you’re going to

placebo controlled you’re going to compare your treatments often it would

compare your treatments often it would

compare your treatments often it would be a drug with a placebo sugar pill in

be a drug with a placebo sugar pill in

be a drug with a placebo sugar pill in our case it’s the electrical stimulation

our case it’s the electrical stimulation

our case it’s the electrical stimulation with some fake stimulation just put the

with some fake stimulation just put the

with some fake stimulation just put the electrodes and the machine pretends it’s

electrodes and the machine pretends it’s

electrodes and the machine pretends it’s doing something

doing something

doing something we’ll do it randomized it means you will

we’ll do it randomized it means you will

we’ll do it randomized it means you will just flip a coin that coin decides where

just flip a coin that coin decides where

just flip a coin that coin decides where the patient at this moment receives the

the patient at this moment receives the

the patient at this moment receives the real or the fake stimulation and then

real or the fake stimulation and then

real or the fake stimulation and then it’s double-blind that means the patient

it’s double-blind that means the patient

it’s double-blind that means the patient the family but also the clinician they

the family but also the clinician they

the family but also the clinician they done know whether it’s the real or the

done know whether it’s the real or the

done know whether it’s the real or the fake because you really want to make

fake because you really want to make

fake because you really want to make sure that if you see some change some

sure that if you see some change some

sure that if you see some change some improvement that it’s really caused by

improvement that it’s really caused by

improvement that it’s really caused by your treatment so Loras enrolled in this

your treatment so Loras enrolled in this

your treatment so Loras enrolled in this clinical trial put on the machine

clinical trial put on the machine

clinical trial put on the machine stimulate him and

stimulate him and

stimulate him and using this coma recovery scale then we

using this coma recovery scale then we

using this coma recovery scale then we see now he’s answering two simple

see now he’s answering two simple

see now he’s answering two simple questions in this case it would move

questions in this case it would move

questions in this case it would move your leg and then he starts to vocalize

your leg and then he starts to vocalize

your leg and then he starts to vocalize do this for every day one week then we

do this for every day one week then we

do this for every day one week then we stop take the other machine we don’t

stop take the other machine we don’t

stop take the other machine we don’t know which is the real fake one but the

know which is the real fake one but the

know which is the real fake one but the second time basically there was no

second time basically there was no

second time basically there was no change and of course in medicine we

change and of course in medicine we

change and of course in medicine we don’t like anecdotal evidence so we’re

don’t like anecdotal evidence so we’re

don’t like anecdotal evidence so we’re going to do this in many patients we now

going to do this in many patients we now

going to do this in many patients we now have over hundreds that benefited from

have over hundreds that benefited from

have over hundreds that benefited from this technique and what I show you here

this technique and what I show you here

this technique and what I show you here is the result from from that group and

is the result from from that group and

is the result from from that group and this is being published and in black you

this is being published and in black you

this is being published and in black you see the the scores going up the patient

see the the scores going up the patient

see the the scores going up the patient is getting better and in gray you see

is getting better and in gray you see

is getting better and in gray you see the fake stimulation basically it’s it’s

the fake stimulation basically it’s it’s

the fake stimulation basically it’s it’s not changing so we here think we could

not changing so we here think we could

not changing so we here think we could have something that could help patients

have something that could help patients

have something that could help patients with severe brain injury to get better

with severe brain injury to get better

with severe brain injury to get better and then one could bounce a question

and then one could bounce a question

and then one could bounce a question well alright but why should we care and

well alright but why should we care and

well alright but why should we care and Loras sure he’s still dependent on

Loras sure he’s still dependent on

Loras sure he’s still dependent on others to eat get dressed and we need to

others to eat get dressed and we need to

others to eat get dressed and we need to accept that everyone is different there

accept that everyone is different there

accept that everyone is different there and we all have our values and some

and we all have our values and some

and we all have our values and some people might prefer not to live in

people might prefer not to live in

people might prefer not to live in certain conditions and I think also as a

certain conditions and I think also as a

certain conditions and I think also as a medical doctor we should take care of

medical doctor we should take care of

medical doctor we should take care of those very difficult end-of-life

those very difficult end-of-life

those very difficult end-of-life decisions but here for Loras what to me

decisions but here for Loras what to me

decisions but here for Loras what to me was maybe the most important is when his

was maybe the most important is when his

was maybe the most important is when his father asked him are you happy and he

father asked him are you happy and he

father asked him are you happy and he gives a huge smile and his science yes

gives a huge smile and his science yes

gives a huge smile and his science yes so I think we should care and in Europe

so I think we should care and in Europe

so I think we should care and in Europe everyday there’s 200 people dying

everyday there’s 200 people dying

everyday there’s 200 people dying traumatic brain injury mostly young

traumatic brain injury mostly young

traumatic brain injury mostly young adults and there’s even more who

adults and there’s even more who

adults and there’s even more who survived their coma and remain severely

survived their coma and remain severely

survived their coma and remain severely disabled for the rest of their lives

disabled for the rest of their lives

disabled for the rest of their lives like Loras and I think as a society but

like Loras and I think as a society but

like Loras and I think as a society but also my medical community we’ve been

also my medical community we’ve been

also my medical community we’ve been ignoring this silent epidemic and so

ignoring this silent epidemic and so

ignoring this silent epidemic and so when some including my own colleagues

when some including my own colleagues

when some including my own colleagues would say I think you know it’s just a

would say I think you know it’s just a

would say I think you know it’s just a waste of time and money what you’re

waste of time and money what you’re

waste of time and money what you’re trying to do there I would strongly

trying to do there I would strongly

trying to do there I would strongly disagree and traumatic brain injury can

disagree and traumatic brain injury can

disagree and traumatic brain injury can strike anyone anytime I think we should

strike anyone anytime I think we should

strike anyone anytime I think we should care about persons like Loras and

care about persons like Loras and

care about persons like Loras and there’s hundreds of him and we should

there’s hundreds of him and we should

there’s hundreds of him and we should improve their care pathway and not

improve their care pathway and not

improve their care pathway and not ignore these patients with severe

ignore these patients with severe

ignore these patients with severe traumatic brain injury and is it worth

traumatic brain injury and is it worth

traumatic brain injury and is it worth it

it

it well I think his story and his smile

well I think his story and his smile

well I think his story and his smile definitely for me tells me this so I

definitely for me tells me this so I

definitely for me tells me this so I want to thank him his parents our team

want to thank him his parents our team

want to thank him his parents our team in the ash and all those who do care

”

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