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ORDEROFEVENTS

12:30–1:30p.m.SYMPOSIUMTALKS

EngineeringandMathematicsGoergenHall109HumanitiesMelioraHall221NaturalSciencesLattimoreHall201SocialSciencesBausch&LombHall106

Abstractsavailableinfinalpages2:00–3:00p.m.POSTERSESSION

FlaumAtrium,SchoolofMedicineandDentistry3:10p.m.AWARDCEREMONY

OpeningremarksProfessorJoanSaab

President'sAwardsforOutstandingSymposiumPresentationsVicePresidentPaulBurgett

Deans'AwardsforSymposiumPresentationsDeanAlanCzaplicki

Professor'sChoiceAwardsforOutstandingPosterPresentationsProfessorJoanSaab

CollegeAwardforUndergraduateTeachingandResearchMentorshipDeanJeffreyRunner

StudentAssociationProfessoroftheYearAwardsSAAcademicAffairsCommitteeChairLeifJohansen

ClosingremarksProfessorJoanSaab

FlaumAtrium,SchoolofMedicineandDentistry

CollegeAwardforUndergraduateTeachingandResearchMentorship

DavidMcCamant

Chemistry

StudentAssociationProfessorsoftheYear

HumanitiesNicholasGresens

ReligionandClassics

SocialSciencesCarolinaCaetano

Economics

NaturalSciencesandEngineeringJohnKessler

EarthandEnvironmentalSciences

ENGINEERINGANDMATHSYMPOSIUMPRESENTATIONS|GoergenHall109Abstractsavailableinfinalpages12:30p.m. EllisonEtnier,'18

ChemicalEngineeringMentor:ProfessorWyattTenhaeff"DevelopmentofThin-FilmPolymerElectrolytesforSafeLithiumIonBatteries"

12:50p.m. HarrahNewman,'18

BiomedicalEngineeringMentor:ProfessorMarkBuckley"ViscoelasticHeatingofBovineIntervertebralDisc"

1:10p.m. SueZhang,'18

BiomedicalEngineeringMentor:ProfessorHoomanSadriArdekani"OptimizationandCharacterizationof3DHumanPrepubertalTestisOrganoidSystem"

POSTEREXHIBITIONPARTICIPANTS|FlaumAtriumEkamGill,'19ChemicalEngineeringMentor:ProfessorDavidMcCamant"Astudyof'OrganicDyes'bindingtoTiO2forSolarHydrogenProduction"BenGleed,'18ChemicalEngineeringMentor:ProfessorDavidFoster"InteractiveModelingofVorticityfortheEnhancementofUndergraduateCurriculum"

BrianHe,'19StatisticsMentor:ProfessorDanielleBenoit"CharacterizingtheInteractionBetweenMyricetinandCationicNanoparticlesThroughSpectroscopicMethods"LucindaInezHinojosa,'19NeuroscienceMentor:ProfessorLaurelH.Carney"DetectinganIncrementinLevelofOneToneinaHarmonicComplex:EffectofPhaseinBirds"HaberlyKahn,'18ChemicalEngineeringMentor:ProfessorDavidFoster"AnalyzingtheCatalystLayerofaPEMFCusingANSYSFluent"ChrisKjellqvist,'20ComputerScienceMentor:ProfessorMichaelScott"SecurityProvisioningforKernelFeatures"HuiyanLi,'19OpticsMentor:ProfessorChunleiGuo"StructuralandCompositionalControlofCopperSelenideNanocrystalsforLight-InducedSelf-RepairableElectrodes"AmandaMietus,'19OpticalEngineeringMentor:ProfessorJannickP.Rolland"QuantitativeAssessmentofDonorCorneaEndotheliumwithGD-OCM"JacobNiebloom,'18ComputerScience,BusinessMentor:ProfessorTedPawlicki"SoftwareAffectingEducation"

GregorySheppard,'18ChemicalEngineeringMentor:ProfessorDavidFoster"ComputationalFluidDynamicsinLiquidMetalBatteries"QiuyueSun,'20,SifanYe,'20,andJunhanDuan,'20ComputerScienceMentor:ProfessorTedPawlicki"ComputerVisionControlledAutonomousRobot"

HUMANITIESSYMPOSIUMPRESENTATIONS|MelioraHall221Abstractsavailableinfinalpages12:30p.m. ErinDong,'18

DanceStudies,BiologyMentor:ProfessorAnneHarrisWilcox"TheBeautifulAwful:ExperiencingGriefThroughMovement"

12:45p.m. PerryDeMarche,'18

AnthropologyMentor:ProfessorDanielReichman"'Not-so-Nomadic'Nomads:CulturalCommodificationandAuthenticityAmongFormerNomadsinMorocco"

1:00p.m. CourtneyOtto,'19History,InternationalRelationsMentor:ProfessorMatthewLenoe"MeijiIshin—RevolutionViewedthroughtheLensofClassicalMarxism"

1:15p.m. TeddyE.Scheuerman,'18

History,English,ArtHistoryMentor:ProfessorEzraTawil"ConfrontingthePreinventedWorld:AngelsinAmerica,Wojnarowicz'sClosetotheKnives,AIDSLiterature,andLiteraryStyle"

NATURALSCIENCES

SYMPOSIUMPRESENTATIONS|LattimoreHall201Abstractsavailableinfinalpages12:30p.m. ZachBunnell,'18

GeologicalScienceMentor:ProfessorMarlonJean"MetalAnalysisoftheNovosibirskMeteoriteandEarlySolarSystemImplications"

12:50p.m. YiyunHuang,'18

Brain&CognitiveSciences,MathMentors:ProfessorJessicaCantlonandStephenFerrigno"ReasoningThroughtheDisjunctiveSyllogisminNon-HumanPrimates"

1:10p.m. FionaNichols-Fleming,'19

Physics&AstronomyMentor:ProfessorEricBlackman"ConstrainingSpotCoverageasaFunctionofAgeinMain-SequenceStars"

POSTEREXHIBITIONPARTICIPANTS|FlaumAtriumAnmolAlmast,'18BiochemistryMentor:ProfessorSinaGhaemmaghami"KnockoutofthePyruvateDehydrogenaseComplexIncreasestheGrowthRateofMouseCancerCells"ShuyiChen,'20Brain&CognitiveSciencesMentor:ProfessorDujeTadin"SocialEffectsonVisualPerception:CrowdGazeFacilitatesVisualSearch"

EricaCornell,'18BiochemistryMentor:ProfessorDmitriErmolenko"EnsembleFRETMeasurementofmRNAEnd-to-EndDistance"QuinnFitzpatrick,'19BiochemistryMentor:ProfessorMichaelZuscik"DirectActivationofChondrocyteCREBSignalingbyExtractsfromCommensalGutMicrobes:ANovelConnectionBetweentheGutandtheJoint"BethanyGardner,'18,andMadelineClark,'18Brain&CognitiveSciences(Gardner);Linguistics,Japanese(Clark)Mentors:ProfessorChigusaKurumadaandAmandaPogue"Real-timePragmaticProcessingwithanArtificialLanguage"AudreyGoldfarb,'19BiologyMentor:ProfessorRichardFestenstein,ImperialCollegeLondon"HP1γinSexualDimorphismandTelomereMaintenance"SabrinaGoyal,'19Brain&CognitiveSciencesMentor:ProfessorVankeeLin"ASystematicReview:ThePotentialNeuroplasticMechanismsUnderlyingMusicTherapyinCognitivelyImpairedOlderAdults"LilyGuo,'18NeuroscienceMentor:ProfessorRobinAdair"URMCNICUNeurobehavioralConsultation:CorrelationwithandImpactonNeurodevelopmentalOutcomesinHigh-RiskandIntermediate-RiskInfants"KevinHayes,'18MolecularGeneticsMentor:ProfessorVeraGorbunova"CharacterizingtheIntestinalStemCelloftheNakedMoleRat"

RyanHecht,'18MicrobiologyMentor:ProfessorJacquesRobert"InvestigatingtheOntogenyofInnate-likeTcellsintheAmphibianXenopusbyCRISPR/Cas9-mediatedGenomeEditingTechnology"EmilyIvey,'18MicrobiologyMentor:ProfessorBrianWard"InvestigationofVacciniaProteinF15function"ArushiJain,'18BiomedicalEngineeringMentor:ProfessorRuchiraSingh"TheRoleofMatrixMetalloprotienases(MMP)DysfunctioninMacularDegeneration"NadineJavier,'18NeuroscienceMentor:ProfessorSuzanneHaber"OrganizationofPrefrontalCortexFiberPathwaysThroughtheCorpusCallosuminNonhumanPrimates"MahirKhan,'18NeuroscienceMentor:ProfessorMadalinaTivarus"MeasuringCerebrovascularReactivityinPatientswithBrainDiseaseUsingRestingStatefMRI"TimothyKwan'18,T5'19MicrobiologyMentors:ProfessorJacquesRobertandMaureenBanach"TheEvolutionandRoleofInterleukin-12GenesinXenopusTumorImmunity"AllyLee,'19Brain&CognitiveSciencesMentor:ProfessorCelesteKiddandShirleneWade"WhatDrivesCuriosity?InformationSpeedPredictsChildren'sVideoPreferencesinaTouchscreenTask"

HermanLi,'18Neuroscience,PsychologyMentors:ProfessorsMatthewJ.BellizziandHarrisA.Gelbard"RoleofPrionProteininSubacuteInflammatoryModelofMultipleSclerosis,ExperimentalAutoimmuneEncephalomyelitis(EAE)"SarelyLicona,'19,JosephFong,'18,andEmilyBallou,'20Brain&CognitiveSciences(LiconaandBallou),Neuroscience(Fong)Mentors:ProfessorsLoisaBennetto,DujeTadin,andKimSchauder"AssociationsBetweenAutisticTraits,MotionPrediction,andVisualSensation"ColleenMaille,'20ComputationalBiologyMentor:ProfessorDanBergrstralh"CellReintegration:TheConnectionBetweenAdhesionProteinsandCytoskeletalMembraneinDrosophila"GauriPatil,'19Brain&CognitiveSciencesMentor:ProfessorBradfordZ.Mahon,ColleenSchneider"DeterminingtheImportanceofRandomizingFunctionalMagneticResonanceImaging(fMRI)StimuliforStrokePatients"KristaPipho,'18BiochemistryMentor:ProfessorAndreiSeluanov"DoesLifespanHaveaPositiveCorrelationwithCellularResistancetoStress?"YuhuaQin,'19MolecularGeneticsMentor:ProfessorXinBi"FunctionsofFun30andTel1inRegulatingDNADamageResponse"KaylaScinto,'19andAniaStolarczyk,'19ComputationalBiology,PoliticalScience(Scinto);Microbiology(Stolarczyk)Mentor:ProfessorMichaelJ.Zuscik"OralHydrolyzedType2CollagenProtectsAgainsttheOAofObesityandMitigatesObeseGutMicrobiomeDysbiosis"

NicolaWiseman,'18EnvironmentalSciencesMentor:ProfessorTomWeber"GlobalOceanicMethaneEmissionsEstimatedfromNeuralNetworkMapping"ClaraWolfe,'18BiochemistryMentor:ProfessorSinaGhaemmaghami"GenomeWideScreenforNovelHumanAutophagyGenes"QidiYang,'19BiochemistryMentor:ProfessorElizabethGrayhack"FactorsInvolvedinReadingFrameMaintenanceDuringTranslationinYeast"

SOCIALSCIENCE

SYMPOSIUMPRESENTATIONS|Bausch&LombHall106Abstractsavailableinfinalpages12:30p.m. MeganKibler,'18

Psychology,MusicMentors:ProfessorsBetsyMarvinandLisaStarr"TheEffectsofLiveMusicParticipationonSocialBondingandQualityofLifeinPsychiatricGeriatricPatients"

12:50p.m. LaurenOey,'18

Brain&CognitiveSciences,Statistics,LinguisticsMentor:ProfessorStevenPiantadosi"ConceptsarelikeRulesbutGradient:PreservingGradienceinaLogicalModelofMentalRepresentation"

1:10p.m. MargaretThurston,'18

GlobalSustainableDevelopmentMentors:ProfessorsCynthiaDuránAzurduyandDanielReichman"Deforestation,ForestDegradation,andConservationinConcepción,Bolivia"

POSTEREXHIBITIONPARTICIPANTS|FlaumAtriumOluwatobiAbubakare,'18LinguisticsMentor:ProfessorJeffreyRunner"DidT'Challa'sDadKillHimselforKillT'Challa?ExploringPronominalProcessinginAutisticPopulations"

TaliaCohavi,'19Brain&CognitiveSciences,PsychologyMentor:ProfessorJeremyJamieson"TheEffectsofNegativeExpectancyViolationsDuringSocialInteractions"XinChen,'18InternationalRelations,EconomicsMentor:ProfessorG.BinghamPowell"TheRepublicataCrossroads:TransformationsofFrenchPolitics"LauraDuntley,'18PsychologyMentor:ProfessorJeremyJamieson"AMeta-TheoreticalApproachtoSOCTrainingforLowResourceSettings"MaiaHomsi,'19NeuroscienceMentor:ProfessorThomasO'Connor"RelationshipBetweenMaternalObesityanditsAdverseEffectsonMotherandFetus"LornaKrabill,'18Epidemiology,MicrobiologyMentor:ProfessorScottMcIntosh"TheSafeSexExpress:EvaluationofaSafeSexProductDeliveryService"JennaMacri,'20Psychology,Brain&CognitiveSciencesMentors:JenniferDaksandProfessorRonaldD.Rogge"ExaminingtheMediatingRoleofRelationshipTalkBetweenPerceivedPartnerResponsivenessandCoupleSatisfaction"EmilyScarpulla,'18PsychologyMentor:ProfessorLisaStarr"NegativeAppraisalBiasCorrelateswithCo-ruminationandDepressionAmongAdolescents"

KyleSmith,'18EconomicsMentor:ProfessorMaryPoliti"AccessisNecessarybutNotSufficient:FactorsInfluencingDelayandAvoidanceofHealthcareServices"BaileySpeck,'19andDasiaMartinez,'18PsychologyMentor:ProfessorJeremyJamieson"PerceptionsofLifetimeAdversityandUnrealisticOptimism"OliverK.Stabbe,'18Psychology,AmericanSignLanguageMentor:ProfessorRonaldD.Rogge"Flexiblyand/orInflexiblyEmbracingLife:IdentifyingFundamentalApproachestoLifeAcrossaSpectrumofFlexibleandRigidBehaviors"ShelleyVerma,'19PsychologyMentor:ProfessorDianeS.MorseandAddieBardin"FOCUSonWomenClients:ProcessEvaluationofaPilotProbation-MedicalCollaborationProgram"BaileyWalters,'19Neuroscience,PsychologyMentor:ProfessorTomO'Connor"EffectsofPrenatalDepressiononBirthandPostnatalOutcomes"XinziWang'18Psychology,EconomicsMentor:ProfessorHarryReis"CultureDifferencesintheEffectofCapitalizationonRelationshipWell-Being"

SYMPOSIUMABSTRACTS

ENGINEERINGANDMATHEllisonEtnier,'18"DevelopmentofThin-FilmPolymerElectrolytesforSafeLithiumIonBatteries"

Today'slithiumionbatteriesarecriticallylimitedbylowenergydensity.Traditionalbatteriesrelyonagraphite-basedanodetostoreelectrode,whichcyclesstablybuthasalowcapacitycomparedwithotheranodematerials.Onesuchmaterialtoaddresslowcapacityissilicon,whichhasatheoreticalspecificcapacity(4200mAh/g)morethantentimesgreaterthangraphite(372mAh/g).However,continualelectrochemicaldegradationonsiliconandelectrodevolumechangesduringcyclingpreventssuccessfulimplementationinlithiumionbatteries.Thisworkseekstoimprovetheviabilityofthinfilmsiliconanodesbycovalentlygraftingpoly(diethyleneglycolmethylethermethacrylate)(DEGMA)brushesdirectlyonsiliconelectrodesviasurface-initiatedatomtransferradicalpolymerization.Thispolymerfilmisintendedtoactasanartificialsolid-electrolyteinterfaciallayer,whichispartiallylithiumionconductiveandcanpassivatethesiliconsurfacedespitelargevolumechanges.ThegrowthrateofDEGMAbrushesbyATRPonsiliconwasdeterminedtobe20nm/hratroomtemperature.Lithiuminfiltrationofthispolymerlayerwasperformedinanaqueoussolutionoflithiumbis(trifluoromethane-sulfonyl)imide(LiTFSI)toincreaseavailabilityoflithiumions.Initialhalf-cellcyclingofsiliconindicatescapacityretentionfromthefirsttosecondcycleimprovesfrom76.2%withnotreatmentto82.4%withtreatmentof80nmpolymer.Inaddition,lithiuminfiltrationwasdemonstratedtoincreasepolymerconductivityfrom6.66⨉10-8S/cmto3.32⨉10-6S/cmat22ºC,a50Ximprovement.Thisworkwillguidefuturedevelopmentofsurface-tetheredpolymericartificialsolidelectrolyteinterfacesforsafe,high-capacitylithiumionbatteryelectrodes.

HarrahNewman,'18"ViscoelasticHeatingofBovineIntervertebralDisc"

Backpainistheleadingcauseofdisabilitygloballyandthesecondmostcommoncauseofdoctors'visit.Despiteextensiveresearchefforts,theunderlyingmechanismofbackpainhasnotbeenfullyelucidated.Theintervertebraldisc(IVD)isaviscoelastictissuethatprovidesflexibilitytothespinalcolumnandactsasashockabsorberinthespine.WhenviscoelasticmaterialsliketheIVDarecyclicallyloaded,theydissipateenergyasheat.Thus,diurnal,regularmovementsofthevertebralcolumnthatdeformtheIVDcouldincreasedisctemperaturethroughviscoelasticheating.Thistemperaturerisehasthepotentialtoinfluencecellfunction,drivecelldeathandinducenociceptionininnervatingnociceptiveneuronswithintheIVD.ThepresentstudywasconductedtoinvestigatethecapacityofIVDtoincreaseintemperatureduetoviscoelasticheating.InsulatedcaudalbovineIVDweresubjectedtophysiologicalcyclicuniaxialcompressionoverarangeoffrequencies(0.1-15Hz)andloadingdurations(1-10minutes)exvivo,andthetemperatureriseinthetissuewasrecorded.Accordingtoourfindings,theIVDcanexperienceatemperatureriseofupto2.5°Cundercyclicloading.Furthermore,undersimilarconditions,theinnernucleuspulposus(NP)exhibitsmoreviscoelasticheatingthantheouterannulusfibrosis(AF),likelyduetoitsmoreviscouscomposition.ThemeasuredtemperatureriseofthedischasphysiologicalrelevanceasdegenerativeIVDtissuehasbeenshowntoproduceasensitizationofnociceptiveneuronsthatspontaneouslyfireat37°C,withaT50responseat37.3°Candamaximumresponseat38°C.OurresultssuggestthatviscoelasticheatingofIVDcouldinteractwithsensitizednociceptiveneuronsinthedegenerativeIVDtoplayaroleinbackpain.

SueZhang,'18"OptimizationandCharacterizationof3DHumanPrepubertalTestisOrganoidSystem"

Recentadvancesincancertreatmentshaveincreasedthechildhoodcancersurvivalrate,creatingurgencyforstrategieswhichaddressfertilitypreservationinprepubertalmalesundergoinggonadotoxictreatmentssuchaschemotherapy.Cryopreservationofimmaturetesticulartissuecanbeapotentialoption,fromwhichspermatogonialstemscells(SSC)canbeisolatedandpropagatedinvitro.UsingSSCs,alongwithLeydig,Sertoli,andperitubularcellsofadult(mature)humantesticle,wedevelopeda3-dimensional(3D)testisorganoidculturesystem.Thisstudyoptimizesthe3Dtestisorganoidculturesystemandassessitsfeasibilityforprepubertal(immature)humantestisorganoids.Weshowedthatorganoidsmaintainedtheirstructure,viability,metabolicactivityandproducedtestosteroneover3weeksofculture.Furthermore,weconfirmedthepresenceofspermatogonia,Leydig,Sertoliandperitubularcellsthroughout3weeksofculture.Up-regulationofspecificpost-meioticgermcellmarker(PRM1)confirmedtheformationofspermatid-likecellsinthissystem.

HUMANITIESErinDong,'18"TheBeautifulAwful:ExperiencingGriefThroughMovement"

Griefisauniversalemotionthatresonateswithindividualsregardlessofculturalbackground,sexualpreference,economicstatusetc.Anincrediblycomplexemotion,griefisoftenpushedasideandleftunprocessed.Withoutasafeand/orhealthyoutlet,wereacttogriefinlessthanpleasurableways.So,whatwouldhappenifwewereprovidedawayforitsexpression?Whatifweallowedourselvestofeelshock,loss,sadnessandothergrief-associatedemotions?In"TheBeautifulAwful"Iexplorethisconceptofgrievingthroughmovement.Thispieceisachoreographicworkthatmirrorsthebody'spsychological(emotionalnumbness,depressionetc.)andphysiological(increasedbloodpressure,muscletensionetc.)responsetoloss,specificallydeath."TheBeautifulAwful"usherstheaudiencethroughthegriefadjustmentstages,creatingamediumforindividualstolivewiththeiremotions.Totapintotheaudience'skinestheticempathyandkinestheticsympathy,Iblurthelinesofthetraditionallydefined"performancespace"byhavingthedancersenterandperformamongsttheaudiencemembers.Thisinterdisciplinaryperformanceutilizesdance,spokentextandlightingdesigntocreatenotjustadancethatisobservedfromafar,butamulti-facetedexperiencethatbringsindividualsface-to-facewiththephysicalityofgrief.PerryColetteDeMarche,'18"'Not-so-Nomadic'Nomads:CulturalCommodificationandAuthenticityAmongFormerNomadsinMorocco"

ThisresearchfocusesontheculturalimpactsofclimatechangefornomadicgroupsintheSaharaDesertinsouthernMorocco.ManyImazighen(orBerber)nomadshavestoppedbeingnomadicduetoworseningdroughtsandheatextremesassociatedwithclimatechange,aswellastheconstructionofahydraulicdamthathasdrieduptheDraaRiver.BasedonfieldworkinaMoroccanvillageneartheSaharaDesert,myresearchexamineshowformernomadsarenowworkingintourism.Manyleadcameltreksforforeigntouristsbyadvertisingtheirnomadicidentity.Myresearchanalyzestourismasaprocessofculturalcommodificationinthewakeofsignificantenvironmentalandculturalchange.Iarguethatclimatechangeand

tourismcomplicatepreviousanthropologicalunderstandingsofnomadismandsedentarization.CourtneyOtto,'19"MeijiIshin—RevolutionViewedthroughtheLensofClassicalMarxism"

Thispresentationprovidesacross-historicalanalysisoftheJapaneseMeijiIshin,whichmarkedthetransitionofpowerfromtheTokugawashogunatetoimperialruleunderEmperorMeiji.TheofficialdemarcationoftheMeijiIshinwasin1868withthepassageoftheMeijiConstitution.However,theshiftfromdecentralizedmilitaryruletoimperialoversightwasagradualprocessthatinvolvedsignificantsocial,economicandpoliticaltransitions.InusingtheframeworkofClassicalMarxistideology,IaddresselementsoftheconversiontoMeijiimperialruleintermsof(1)socioeconomicdivisions,(2)politicalapportionment,(3)industrialization,and(4)nationalismandimperialism.Inparticular,throughconcentrationuponsocio-politicalchangesinthedaimyō(feudalwarlord),samurai,andchōnin(merchant)classes,eachofthesesubtopicsprovidescontextandevidencefortheeventsoftheMeijiIshinasaMarxist-typerevolution.TeddyE.Scheuerman,'18"ConfrontingthePreinventedWorld:AngelsinAmerica,Wojnarowicz'sClosetotheKnives,AIDSLiterature,andLiteraryStyle"

MypresentationexaminesWojnarowicz'sbookClosetotheKnives:AMemoirofDisintegrationandhowhisuseofliterarystyleallowstheworktoexplorethemesandideasverydifferentlythanmostotherpiecesofAIDSliteraturefromthemid1980sandearly1990s.ThroughcomparisonwithotherpiecesofAmericanAIDSliteraturefromthattime–primarilyTonyKushener'sAngelsinAmerica–IdiscusshowWojnarowiczexploresnotionsofspirituality,historicallegacy,movementandprogress,andthenatureofAmerica.Additionally,IwillexaminehowtheseexplorationsallowhimtoprovidemediarepresentationforqueerpeopleandPeopleWithAIDSandtocreateanavenueforactivistmessages.ThroughfloutingtheexpectationofhowtofunctionwithintheframeofAIDSliterature,Wojnarowicz'satypicalstylisticchoicesgreatlyinfluencenotonlyhowhisthemesareshowcasedbutalsohowhisreadersreceivethem.

NATURALSCIENCESZachBunnell,'18"MetalAnalysisoftheNovosibirskMeteoriteandEarlySolarSystemImplications"

Chondriticmeteoritesprovidesnap-shotsoftheprimordialsolarnebulaandthroughgeochemicalanalysis,theycanbeusedtosheduniqueinsightsonearlysolarsystemprocesses.Thetrace-elementconcentrationsofFeNimetals,suchaskamacite,taenite,andtroilite,areparticularlyusefulandstandardquantitativetoolstodeterminetheregioninwhichameteoriteoriginatedin.Accordingly,wehaveanalyzedFeNimetalsintheNovosibirskchondriticmeteorite;auniquemeteoritefromNovosibirsk,Russiathatwaswitnessedasitfellinthemid-1970s.Alaserablation-inductivelycoupledplasma-massspectrometer(LA-ICP-MS)analyzedvariouselements(e.g.V,Cr,Fe,Co,Ni,Cu,Ga,Ge,As,Mo,Sb,Ag,Al,andZn)intheFeNimetals.OurgoalwastocollecttheelementalconcentrationsofvariousmetallicgrainsinNovosibirskandcomparethemtootherwell-knowncelestialbodiesinordertodeterminewheretheNovosibirskmeteoritewascreatedwithinthesolarsystem.Afterwhich,wecomparedthetrace-elementcontentofourmeteoritewithothertypesofmeteorites,suchasCV,CR,andCH,amongothers,toseeifitoriginatedfromarecordedparentbody.UpondeterminationofNovosibirsk'sorigins,apetrographicanalysisofmetamorphicandshocktextureswasusedtointerpretextremeeventsthismeteoritemayhaveexperienced.Metamorphicandshocktextureswithinmeteoritegrainsarestrongpiecesofevidenceinexplainingregionalizedeventswithinthesolarsystem.ThisanalysisofNovosibirskopensthedoorforfutureworkaimedatfindingtherelativeorabsoluteageofthemeteoriteanditsuniquetextures.

YiyunHuang,'18"ReasoningThroughtheDisjunctiveSyllogisminNon-HumanPrimates"

Humansreadilycombinelogicalconceptstohelpusconstructargumentsandmakedecisions.Wefrequentlymakeinferencesbasedonpremiseswealreadyknow,whichisformallytermedasdeductivereasoning.Thisflexibleabilitytocombinelogicalthoughtsisoftenseenasexclusivelyhumanandlanguage-dependent.However,arecentbodyofworkdoneonanimalcognitionhasprovidedevidencethatsomenon-humananimalsarecapableofreasoningthroughsimplelogicalconstructssuchastheequivalencerelation,aswellasmakinglogicalinferencebasedongivenpiecesofinformation.Onewell-studiedlogicalinferenceinanimalsisthedisjunctivesyllogism,whichreferstothestatement"AorB,notA,thereforeB."Thislogicalinferencerequiresnotonlytheunderstandingofnegation,butalsotheabilitytoupdateone'sbeliefaboutBbasedonwhatisknownaboutA.Inatraditionaltwo-cuptask,whenatreatishiddeninoneoftwocupsandonecupisshowntobeempty,manyanimalswillsearchforthetreatintheothercup,whichseemstobeconsistentwiththedisjunctivesyllogism.However,successfulperformanceinthistaskcanreflectnon-deductivestrategiessuchasavoidanceoftheemptylocationinsteadoftruereasoningthroughthedisjunctivesyllogism.Inthisstudy,weemployedanewfour-cupdesigntohelpusteasetruereasoningapartfromnon-deductivestrategies.Weintroducedtwodistinctivebaitingsets,eachcontainingtwocups,whereonerewardwashiddenineachbaitingset.Wealsogavesubjectstwochancestomakeachoiceandprovidedinformationontheirfirstchoice.Therefore,wecouldeffectivelyexaminewhethersubjectsflexiblyintegratedthepieceofinformationtheyreceivedandupdatedtheirbeliefontherewardlocation.Wefoundthatolivebaboons(Papioanubis)arecapableofmakinglogicalresponsesusingdisjunctivesyllogism.Thissuggeststhatnon-humanprimatesmayhavetheabilitytoflexiblycombineabstractthoughts,evenintheabsenceoflanguage.Furthermore,ourlogicalabilitiesmayhavedeeperevolutionaryrootsthanwhatwepreviouslythought.

FionaNichols-Fleming,'19"ConstrainingSpotCoverageasaFunctionofAgeinMain-SequenceStars"

Thenumbersofstarspotsandtherotationperiodsofstarsarecloselyrelatedwiththemagneticfieldsofstars;therefore,arelationshipshouldexistbetweenthestarspotcoverageandrotationperiodofstars.Additionally,theageofastarisproportionaltothesquareofitsrotationperiod,sowecanrelatethestarspotcoverageinsteadtotheageofthestarortherotationperiodsquared.Wecreate100starbinsbasedonstellarmassforapreviouslyexistingdatasetof3203Keplerstarsandfitthisrelationshipwithasimplepowerlawoftheformaspt=Atβineachbinaswellasforthewholedataset.ThesefunctionsallowustoconstrainthestarspotcoverageasafunctionofageofMain-Sequencestarswhichhasstrongimplicationsfordifferenttheoriesinstellarastrophysics.Theseimplicationsincludetherelationshipbetweenspotcoverageandthecoronalactivityofstars,constrainingparametersinmodelsofstellarevolution,andtheapparentsaturationofrotationperiodsofstarsolderthanthesun(theyappeartohaverotationperiodslargerthanthesquarerootoftheiragewouldsuggest).Inthefutureweplantoinvestigateothermeansofbinningthesestarssuchasstellarmetallicity,aswellastofurtherstudythetheoreticalimplicationsofourresults.

SOCIALSCIENCEMeganKibler,'18"TheEffectsofLiveMusicParticipationonSocialBondingandQualityofLifeinPsychiatricGeriatricPatients"

Socialbondingisaconceptcreatedbyfosteringasenseofsocialconnectednesswithinagroupsetting.Accordingtopastresearch,participatinginlivesinginginterventionscausesanacceleratedprocessofsocialbondingtooccuramongagroup(Pearce,Launay,MacCarronandDunbar,2016),andspecificallyfosterspsychologicalandsocialbenefitsfortheelderly(Sarkamoetal.,2014).However,therehasbeenlittleresearchconductedexaminingthebenefitsoflivesingingwithgeriatricpatientswithadditionalpsychiatricdiagnosesinarecreationaltherapysetting.ThecurrentstudyisbeingconductedattheRochesterPsychiatricCenter,examiningsocialbondingwithgeriatricpatients.Onegroupwillparticipateinalivesingalonginterventionleadbyarecreationaltherapist,andanothergroupwillparticipateinarecreationalteatimegroupforaneight-weekperiod.Wewillbemeasuringself-perceptionofgroupinclusionandalsofactorsofQualityofLife,includingmood,energylevel,memory,andinterpersonalrelationships.Atherapyaidewillalsobeinterviewed,askingfortheirperceptionofdifferentdomainsofbehaviorpertainingtothepatientsparticipatingintheintervention.LaurenOey,'18"ConceptsarelikeRulesbutGradient:PreservingGradienceinaLogicalModelofMentalRepresentation"

Traditionally,researchonconceptshasexaminedtwokindsofrepresentations(HahnandChater,1998):(1)asimilarity-basedsystem,inwhichconceptsareconsideredinrelationtootherinstances(e.g.lookslikeX)(e.g.Shepard,1980;NewellandSimon,1990),and(2)arule-basedsystem,inwhichconceptsarestoredcompositionallyasacollectionoflogicalrulesoverdiscretefeatures(e.g.,hasfeatureY)(e.g.,Feldman,2000).Hybridtheoriesofshiftsbetweenthesystemshavebeenproposedbutthereremainsanopenquestionofwhetherbothsystemscanbeusedsimultaneouslytorepresentcomponentsofasingleconcept.AsimpleexamplethatsuggeststhiscombinationispossiblewouldbeaconceptlikeZEBRA,whichcouldberepresentedaslookslikeahorsebutstriped,where

lookslikeahorsecapturessimilarityandstripedisaruleoveradiscretefeature.Totestthisresearchquestion,Iusedanonlinecrowdsourcingplatformtotesthowpeoplerepresentconceptswhenlearninganovelartificialcategoryofconcepts(feps).Theobjectsvariedalongabinaryfeature(whitevs.blackfill)andagradientfeature(blob-likeshape).Critically,thebinaryfeatureshavelabelsthatexistinlanguage,butthegradientfeaturedonot,meaningthatparticipantswereunabletorelyonalinguisticcuetodistinguishoneshapefromanother,insteadrelyingonasimilarity-basedsystem.Ihypothesizedthatpeoplearecapableofpreservingsimilarity-likegradientinformationwhencomposedinadiscreterule-basedsystemtorepresentsingleconceptsduringconceptlearning.Bytestingthisquestioninacontrolledexperimentaltask,wewillhavearicherunderstandingofconceptualrepresentationandthefactorsmotivatingtheuseofeachsystem.MargaretThurston,'18"Deforestation,ForestDegradation,andConservationinConcepción,Bolivia"

Thisshortvideostudyfocusesondeforestation,forestdegradation,andforestconservationinthemunicipalityofConcepción,SantaCruz,Bolivia.Myresearchquestionswere:WhataretheprincipalcausesofdeforestationandforestdegradationinConcepción?Whateffortsorphenomenaresultinforestconservation?Whatarethemainchallengesinreducingdeforestationandforestdegradation?Tolearnaboutthesethemes,IlivedinLimoncito,anindigenouscommunitythemunicipality,for3.5weeks,learningfromcommunitymembersinLimoncito,organizationsandresidentsinthetownofConcepción,andsecondarysourcessuchaslawsandstatistics.Althoughmyconclusionsarequitepreliminary,itseemsthatnewagriculturalcommunitiesandchanginglanduseregulationsareresponsibleforalargepartofthedeforestation,whileloggingandforestfirescausemuchoftheforestdegradation.Iexplorethepolitical,economic,andsocialbackgroundofthesefactors.Inaddition,althoughprotectedareas,anindigenousterritory,andeffortsbyorganizationsandgovernmentagencieswerecitedbyintervieweesaspromotingforestconservation,itseemsthattheseeffortsareinadequatetoconserveforestsinthearea.

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