Big Data and Neuroscience - University of Stirling...Neuroscience and big data: inputs • Clinical...
Transcript of Big Data and Neuroscience - University of Stirling...Neuroscience and big data: inputs • Clinical...
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BigDataandNeuroscience
November2016
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Neuroscienceareas• Relativelynewscience
– Datesfromthe1960’s:beforethatsimplypartofbiology• Manydifferenttypesofneuroscience• Developmentalneuroscience describeshowthebraingrowsand
changes.• Cognitiveneuroscience involvesstudyinghowthebraincreatesand
controlsthought,language,problemsolving,andmemory.• Molecularandcellularneuroscience exploresthegenes,proteins,
andothermoleculesinvolvedinthefunctioningofneurons.• Behavioralneuroscience examinesthebrainareasandprocesses
underlyingthebehaviorofanimalsandhumans.• Clinicalneuroscience istheareaofstudyinwhichmedical
specialistssuchasneurologistsandpsychiatristsusebasicneuroscienceresearchfindingstoexplorehowtotreatandpreventneurologicaldisordersandtorehabilitatepatientswhosenervoussystemhasbeendamagedorinjured.– Source:USNIH
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Neuroscienceareas:alternativeview
• Experimentalneuroscience– Experimentalinthesensethatitproducesdata
• Notnecessarilytryinganexperiment– Clinicalandanimalstudies
• Humanandanimal:invivoandinvitro
• Cognitiveandcomputationalneuroscience– Concernedwithmodellingdata,understandinghowitlinkstobehaviour,includingcognition.
• Neuroinformatics– Concernedwithanalysingdatacomputationally,andwithcreatingmathematicalandcomputationalmodelsofdata
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Whybigdataandneuroscience?
• Hundredsofmillionsofpeopleintheworldsufferfromsomekindofneurologicaldisease:50millionpeoplehaveepilepsy;62millionareaffectedbycerebrovasculardisease;326millionpeoplesufferfrommigraine;24millionareaffectedbyAlzheimerdiseaseandotherdementias(WHO,"Neurologicaldisorders- publichealthchallenges",2006).(2011:Dementiaestimatenow35.6million,expectedtodoubleby2030)– Andthatomitsmentalillnessentirely
• Neuroscienceresearchisdependentonawiderangeofmethodsforunderstandinghowthebrainworks.Suchresearchincludecomputermodeling,imagingtechniques,andothermethodswhichgeneratesenormousamountsofdata.
• Inordertofullyutilizetheselargedatasets,researchersneedaccesstoinfrastructure,includingphysicalresources(computergrids);standardsfordataandexperiments;andstructuresforcollaboration.– Source:primarilyINCFwebsite.
• Neuroinformatics:https://www.youtube.com/watch?v=nuSdhaGGlAg
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Neuroscienceandbigdata:inputs• Clinicaldata
– Measurementsfrompatients:• Electroencephalogram(EEG),tomography(CT,MRI,PETscans)• Differentformsofopenskullrecordings(duringoperations)• Behavioural measurements• Nearinfra-redspectroscopy(NIRS)
– Measurementsfromanimals• Tomography,Electrophysiologyfromliveanimals,frombrainslices,fromculturedneurons.
• Behavioural measurements• Molecularandcellular
– Geneticsofbrains– Neurochemicalsinvolved(insynapses,inionchannels,in
neuronsandglia)
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Metadatainneuroscience• Therearemanydifferenttypesofmetadatainthis
discipline• Structuralmetadata:fileformats,etc.
– Relativelystraightforward(sometimes…seehttp://www.buzsakilab.com/content/PDFs/Teeters2015.pdf)
• Clinicalmetadata:– patientidentity,symptoms,co-morbidities,….– Importantethicalandlegalconsiderations
• Experimentalmetadata:– What’sbeingrecordedfrom(animal,tissuetype,plusother
information,e.g.Recordingapparatus,perfusion,...)– Behaviouralmetadata:whatstimuliarebeingprovided,what
behaviourisbeingexhibited...
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Aims(outputs)ofBigDatainNeuroscience
• Clinicalaims– Appropriatetreatments
• Measurementofeffectivenessindifferentpatients– Predictionoftreatmenteffects,understandingwhat’shappeningtothepatient.
• Experimentalneuroscience?– Deeperunderstandingofwhatneuralsystemsaredoing
• Understandingcognitivecapabilities• Developingcomputersthathavebrain-likeabilities
– Effectsofneurochemicalsontargetsystems(modelsystems)• Drugdevelopmentandassessment
– Oftenattemptingtoreduceanimalexperiments
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Somespecificprojects
• TraumaticBrainInjury:InTBIR,Center-TBI• TheHumanBrainProject(HBP)• CARMEN
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TraumaticBrainInjury• InTBIR:Internationalinitiativefortraumaticbraininitiativeresearch
– http://intbir.nih.gov• EU:Center-TBI:
– https://www.center-tbi.euAfewfactsaboutTBIinEurope:• 2.5millionpeoplesufferaTBIeachyear• 1millionareadmittedtohospital• 75,000willdie• TBIistheleadingcauseofdeathanddisabilityinyoungadults.• Theincidenceinelderlypatientsisincreasing.• TBIcanstrikeusall,butmalesareabouttwiceaslikelyasfemalestoexperiencea
TBI.• InyoungerpatientsRoadTrafficAccidentsarethemostfrequentcauseofinjury;in
olderpatientsfalls.• Moderateandsevereheadinjury(respectively)areassociatedwitha2.3and4.5
timesincreasedriskofAlzheimer’sdisease.
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TheCENTER-TBIdatabaseandrepositoriesonTBIwillbeaninvaluableresourceforfurtherresearchwhichwewouldwishtoencourage.Thedatabaseandrepositorieshavebeenfacilitatedbypublicfunding.Hence,itisnotonlyfromadesiretofacilitateresearchtoimprovethecareofTBIpatientsbutalsofromamoralobligationtothecommunitytoensurethemostoptimalreturnoninvestedfunding,thattheCENTER-TBIinvestigatorssupporttheconceptofdatasharing.Withtheaimtoensureanoptimaluseofthedataandtopreventpossiblemisuse,theCENTER-TBImanagementcommitteehasestablishedpoliciesfordatasharingaswellaspoliciesforpublicationandpublicationcreditsforthosewhouseCENTER-TBIdata.Thesepoliciesfurtheraimtoencourageacademicproductivityandtoprovideamechanismfortrackingandarchivingdatarequests,intendedanalysesandpublicationsrelatedtoandresultingfromtheCENTER-TBIdata.
TheexpectationoftheCENTER-TBImanagementcommitteeisthatde-identifieddataoftheCENTER-TBIstudycanbemadeavailabletothegeneralscientificcommunitywithinarelativelyshorttimeframeafterclosingandcheckingofthedatabase.
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FITBIR• FederalInteragencyTraumaticBrainInjuryResearchinformatics
system• “TheFederalInteragencyTraumaticBrainInjuryResearch(FITBIR)
informaticssystemwasdevelopedtosharedataacrosstheentireTBIresearchfieldandtofacilitatecollaborationbetweenlaboratories,aswellasinterconnectivitywithotherinformaticsplatforms.Sharingdata,methodologies,andassociatedtools,ratherthansummariesorinterpretationsofthisinformation,canaccelerateresearchprogressbyallowingre-analysisofdata,aswellasre-aggregation,integration,andrigorouscomparisonwithotherdata,tools,andmethods.Thiscommunity-widesharingrequirescommondatadefinitionsandstandards,aswellascomprehensiveandcoherentinformaticsapproaches.”
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Datadictionaries
• Commondataelements– Datadictionary:clearlydefinedtermsanddefinitions,internationallyshared
– Notstatic!Newmeasurementtypes,newinstruments,makesuchsystemsdynamic
– Seehttps://www.nlm.nih.gov/cde/index.html
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Status
• Running:collectingdatasetsinternationally.– InEU:https://www.center-tbi.eu/project/timeline#0
– InUS:callsforinvestigators:seehttps://www.center-tbi.eu/files/press/TED%20Seed%20Project%20RFA_Final_6-25-2015.pdf
– Verymuchalivebigdataproject!
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HumanBrainProject
• Large(“flagship”)EUproject– TheHumanBrainProject(HBP)isaEuropeanCommissionFutureandEmergingTechnologiesFlagshipthataimstoaccelerateourunderstandingofthehumanbrain,makeadvancesindefininganddiagnosingbraindisorders,anddevelopnewbrain-liketechnologies.
• 10-yearinitiative.Fundedtotallingabout€1,000,000,000altogether.
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HBP:Organisation• TheHBPisorganizedinthirteensubprojects,spanningstrategicneuroscience
data,cognitivearchitectures,theory,ethicsandsociety,managementandthedevelopmentofsixnewinformatics-basedplatformsincluding:
• Neuroinformatics(searchableatlasesandanalysisofbraindata)• BrainSimulation(buildingandsimulatingmulti-levelmodelsofbraincircuits
andfunctions)• MedicalInformatics(analyzing clinicaldatatobetterunderstandbrain
diseases)• NeuromorphicComputing(brain-likefunctionsimplementedinhardware)• Neurorobotics (testingbrainmodelsandsimulationsinvirtualenvironments)• HighPerformanceComputing(providingthenecessarycomputingpower)• TheseplatformswillbeaccessiblethroughtheHBPCollaboratory– aninternet
portalspecificallydesignedtoenableandenhancecollaborationandteamscience.Theseplatformswillalsoserveasthefocalpointforaneducationalprogrammedesignedtoengageandtrainthenextgenerationofscientists.Allthisresearchwillbecloselymonitoredtoensuretheethicaluseofdataandresponsibleresearchandinnovationwithactiverolesforscientists,philosophers,ethicists,policymakersandmembersofsociety.ITNPBD4 16
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HBPCollaboratory• Underconstruction– Alpha-versionisreleased:HBPcollaboratory
• Onlineplatformthatlinksuserstovariousresources,data,anduserstooneanother
• Ahubforwebbasedscientificcollaboration,wheresharingandcollaborationhappenarounddata,softwareandservices.
• TheHBPisdevelopinghalfadozencomputingplatformprojectsthatareintendedtosupportneuroscience– Theaimofthecollaboratoryistotieallofthesetogether,andmakethemusablethroughouttheproject
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Whatkindsofplatform?• Neuroinformatics
– Includesbrainatlases,andelectrophysiology– Interconnectionstudiesofneurons– Largevolumeofimage-based(3-d)data
• BrainSimulation:buildingICTmodelsandsimulationsofbrainsandbraincomponents
• MedicalInformatics:bringingtogetherinformationonbraindiseases
• NeuromorphicComputing:ICTthatmimicsthefunctioningofthebrain
• Neurorobotics:testingbrainmodelsandsimulationsinvirtualenvironments
• HighPerformanceComputing:hardwareandsoftwaretosupporttheotherPlatforms
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CARMEN
• UnlikeHBPandInTBIR,CARMEN– CodeAnalysisRepository&Modellingfore-Neuroscience
• …isamature(=old?outdated?)neuroinformaticsproject
• Startedin2006,initiallyfundedbyEPSRC,andlaterbyBBSRC:
• Ane-Scienceprojecttoenhancecollaborationinneuroscience.
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