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  <xsd:element id="talk_RevenueFromSalesToUnaffiliatedCustomersAbstract" name="RevenueFromSalesToUnaffiliatedCustomersAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_EventAxis" name="EventAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_AccruedLiabilitiesAndOtherLiabilitiesCurrent" name="AccruedLiabilitiesAndOtherLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_BusinessCombinationAcquiredWarrantsFairValue" name="BusinessCombinationAcquiredWarrantsFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_ClassOfWarrantOrRightIssuedDuringThePeriod" name="ClassOfWarrantOrRightIssuedDuringThePeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ClassOfWarrantOrRightMinimumNoticePeriodForRedemption" name="ClassOfWarrantOrRightMinimumNoticePeriodForRedemption" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ClassOfWarrantOrRightRedemptionThresholdConsecutiveTradingDays" name="ClassOfWarrantOrRightRedemptionThresholdConsecutiveTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ClassOfWarrantOrRightThresholdNumberOfDaysFromBusinessCombinationForExercise" name="ClassOfWarrantOrRightThresholdNumberOfDaysFromBusinessCombinationForExercise" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ClassOfWarrantsOrRightsIssuePrice" name="ClassOfWarrantsOrRightsIssuePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_ConversionOfStockConversionRate" name="ConversionOfStockConversionRate" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_ConversionOfStockSharesOptions" name="ConversionOfStockSharesOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ConvertedStockParValue" name="ConvertedStockParValue" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_DebtInstrumentDrawnPeriod" name="DebtInstrumentDrawnPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_FeesRelatedToIssuanceOfWarrant" name="FeesRelatedToIssuanceOfWarrant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_ForwardPurchaseAmount" name="ForwardPurchaseAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_ForwardPurchaseUnit" name="ForwardPurchaseUnit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_FpaLiabilityFairValueDisclosure" name="FpaLiabilityFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_InitialMeasurementOnWarrantsAndRightsOutstandingLiability" name="InitialMeasurementOnWarrantsAndRightsOutstandingLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_InterestAndDebtExpenseIncome" name="InterestAndDebtExpenseIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_InterestToPayDissolutionExpenses" name="InterestToPayDissolutionExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_LineOfCreditFacilityWithdrawnPeriod" name="LineOfCreditFacilityWithdrawnPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_MarketableSecuritiesHeldInTrustFairValueDisclosure" name="MarketableSecuritiesHeldInTrustFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_MaximumIncreaseInAnnualAmountNumberOfCommonStockSharesOutstandingPercentage" name="MaximumIncreaseInAnnualAmountNumberOfCommonStockSharesOutstandingPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_MinimumPercentageAprrovelOfConversionByStockHoldersDuringDeemedLiquidationEvent" name="MinimumPercentageAprrovelOfConversionByStockHoldersDuringDeemedLiquidationEvent" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_MinimumPercentageOfFirmCommitmentUnderwrittenPublicOfferingApprovelByStockHolders" name="MinimumPercentageOfFirmCommitmentUnderwrittenPublicOfferingApprovelByStockHolders" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_NumberOfCommonStockSharesOutstandingPercentage" name="NumberOfCommonStockSharesOutstandingPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_NumberOfDirectorsEntitledToElectByClassOfStockShareholders" name="NumberOfDirectorsEntitledToElectByClassOfStockShareholders" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_PercentageOfMinimumNetRevenueRequiredOnAnnualProjections" name="PercentageOfMinimumNetRevenueRequiredOnAnnualProjections" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_PercentageVolatilitiesOfPrivatePlacementWarrantEstimatedBeforeTheExpectedBusinessCombination" name="PercentageVolatilitiesOfPrivatePlacementWarrantEstimatedBeforeTheExpectedBusinessCombination" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_PercentageVolatilitiesOfPublicWarrantEstimatedAfterTheExpectedBusinessCombination" name="PercentageVolatilitiesOfPublicWarrantEstimatedAfterTheExpectedBusinessCombination" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_PercentageVolatilitiesOfPublicWarrantEstimatedBeforeTheExpectedBusinessCombination" name="PercentageVolatilitiesOfPublicWarrantEstimatedBeforeTheExpectedBusinessCombination" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ProceedsFromConversionOfSharesIntoUnvestedOptionsExcecisable" name="ProceedsFromConversionOfSharesIntoUnvestedOptionsExcecisable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_ProceedsFromReverseCapitalizationNetOfTransactionCosts" name="ProceedsFromReverseCapitalizationNetOfTransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_PurchaseOfCommonStock" name="PurchaseOfCommonStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_RedemptionAmountFromForwardPurchase" name="RedemptionAmountFromForwardPurchase" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_RedemptionOfStock" name="RedemptionOfStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_RedemptionTriggerSharePrice" name="RedemptionTriggerSharePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_StockIssuedDuringPeriodSharesWarrants" name="StockIssuedDuringPeriodSharesWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_StockIssuedDuringPeriodValueWarrants" name="StockIssuedDuringPeriodValueWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_TemporaryEquitySharesIssuePrice" name="TemporaryEquitySharesIssuePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_TemporaryEquitySharesNoncumulativeDividendRatePercentage" name="TemporaryEquitySharesNoncumulativeDividendRatePercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" name="TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_TransactionCost" name="TransactionCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_WarrantIssuanceCostAndChangeInFairValue" name="WarrantIssuanceCostAndChangeInFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_WarrantLiabilitiesNonCurrent" name="WarrantLiabilitiesNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_WarrantLiabilityFairValueDisclosure" name="WarrantLiabilityFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_WarrantsAndRightsOutstandingExpirationPeriod" name="WarrantsAndRightsOutstandingExpirationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_WarrantsAndRightsOutstandingFairValueDisclosure" name="WarrantsAndRightsOutstandingFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_WarrantsIssued" name="WarrantsIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_WarrantsIssuedInClosureOfForwardPurchaseAgreement" name="WarrantsIssuedInClosureOfForwardPurchaseAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_EventDomain" name="EventDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_DescriptionOfOrganisationAndBusinessOperationLineItems" name="DescriptionOfOrganisationAndBusinessOperationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_AutomaticConversionOfPreferredStockMember" name="AutomaticConversionOfPreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ClinicalOperationsMember" name="ClinicalOperationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CommercialMember" name="CommercialMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CommonStockAndPreferredDSharesMember" name="CommonStockAndPreferredDSharesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ConsumerMember" name="ConsumerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ConvertiblePreferredStockSeriesSeedSeedOneSeedTwoAbcAndDMember" name="ConvertiblePreferredStockSeriesSeedSeedOneSeedTwoAbcAndDMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CreditAndSecurityAgreementMember" name="CreditAndSecurityAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_FpaLiabilityMember" name="FpaLiabilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_GroopInternetPlatformIncMember" name="GroopInternetPlatformIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_HecMasterFundLpMember" name="HecMasterFundLpMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_JohnPierpontMorganChaseBankNAMember" name="JohnPierpontMorganChaseBankNAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_OldTalkspaceMember" name="OldTalkspaceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_OldTalkspacesMember" name="OldTalkspacesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_PrivatePlacementWarrantMember" name="PrivatePlacementWarrantMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_PublicWarrantMember" name="PublicWarrantMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_PublicWarrantsMember" name="PublicWarrantsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SecondaryMarketTransactionsMember" name="SecondaryMarketTransactionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeedConvertiblePreferredStockMember" name="SeedConvertiblePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeedOneConvertiblePreferredStockMember" name="SeedOneConvertiblePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeedPreferredStockMember" name="SeedPreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeedTwoConvertiblePreferredStockMember" name="SeedTwoConvertiblePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeriesAConvertiblePreferredStockMember" name="SeriesAConvertiblePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeriesBConvertiblePreferredStockMember" name="SeriesBConvertiblePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeriesCConvertiblePreferredStockMember" name="SeriesCConvertiblePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeriesDConvertiblePreferredStockMember" name="SeriesDConvertiblePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SubscriptionAgreementMember" name="SubscriptionAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_TermLoanMember" name="TermLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_TwoThousandAndFourteenGlobalShareIncentivePlanTheOptionPlanMember" name="TwoThousandAndFourteenGlobalShareIncentivePlanTheOptionPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_TwoThousandAndTwentyOneEmployeeStockPurchasePlanMember" name="TwoThousandAndTwentyOneEmployeeStockPurchasePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_TwoThousandAndTwentyOneIncentiveAwardPlanMember" name="TwoThousandAndTwentyOneIncentiveAwardPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_WarrantToPurchaseSeriesDConvertiblePreferredStockMember" name="WarrantToPurchaseSeriesDConvertiblePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_DescriptionOfOrganisationAndBusinessOperationTable" name="DescriptionOfOrganisationAndBusinessOperationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ConvertiblePreferredStockAndStockholdersDeficitTextBlock" name="ConvertiblePreferredStockAndStockholdersDeficitTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_DescriptionOfOrganisationAndBusinessOperationDisclosureTextBlock" name="DescriptionOfOrganisationAndBusinessOperationDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_EmergingGrowthCompanyPolicyTextBlock" name="EmergingGrowthCompanyPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
