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<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2023-03-10T08:21:20.5599+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="talk_EligibleEmployeesElectiveDeferralPercentage" name="EligibleEmployeesElectiveDeferralPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_EmployeeTaxesWithheldRelatedToRestrictedStockUnitsVested" name="EmployeeTaxesWithheldRelatedToRestrictedStockUnitsVested" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <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_FinitelivedIntangibleAssetExpectedAmortizationYearFiveAndThereAfter" name="FinitelivedIntangibleAssetExpectedAmortizationYearFiveAndThereAfter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" 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_GainOnRevaluationOfWarrants" name="GainOnRevaluationOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_GainsOnRevaluationOfWarrants" name="GainsOnRevaluationOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_ImpairmentLosses" name="ImpairmentLosses" 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_IssuanceOfSeriesDConvertiblePreferredStockShares" name="IssuanceOfSeriesDConvertiblePreferredStockShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_IssuanceOfSeriesDConvertiblePreferredStockValue" name="IssuanceOfSeriesDConvertiblePreferredStockValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_MaximumIncreaseInAnnualAmountNumberOfCommonStockSharesOutstandingPercentage" name="MaximumIncreaseInAnnualAmountNumberOfCommonStockSharesOutstandingPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_NonCashInvestingLeaseLiabilitiesArisingFromObtainingRightOfUseAssets" name="NonCashInvestingLeaseLiabilitiesArisingFromObtainingRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_NoticePeriodAdvance" name="NoticePeriodAdvance" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_NumberOfCommonStockSharesOutstandingPercentage" name="NumberOfCommonStockSharesOutstandingPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_NumberOfSharesAvailableUnderShareBasedCompensationPlansNotYetAwarded" name="NumberOfSharesAvailableUnderShareBasedCompensationPlansNotYetAwarded" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_OperatingLossCarryForwardsPercentage" name="OperatingLossCarryForwardsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_PaymentOfNoncashFinancingDeferredIssuanceCosts" name="PaymentOfNoncashFinancingDeferredIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_PaymentsForEmployeeTaxesWithheldRelatedToRestrictedStockUnitsVested" name="PaymentsForEmployeeTaxesWithheldRelatedToRestrictedStockUnitsVested" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_PercentageOfRevenueGeneratedFromCustomers" name="PercentageOfRevenueGeneratedFromCustomers" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_PercentageVolatilitiesOfPublicWarrantEstimatedBeforeTheExpectedBusinessCombination" name="PercentageVolatilitiesOfPublicWarrantEstimatedBeforeTheExpectedBusinessCombination" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <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_PropertyPlantAndEquipmentAnnualDepreciationRate" name="PropertyPlantAndEquipmentAnnualDepreciationRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_PurchasesAndIssuances" name="PurchasesAndIssuances" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_RecognitionOfIncrementalCostsOfObtainingContractsAsExpensesTerms" name="RecognitionOfIncrementalCostsOfObtainingContractsAsExpensesTerms" type="xbrli:durationItemType" 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="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_RemeasurementOfWarrantLiabilities" name="RemeasurementOfWarrantLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_RentExpense" name="RentExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="talk_ResearchGrantProceeds" name="ResearchGrantProceeds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_RestrictedStockUnitsSettled" name="RestrictedStockUnitsSettled" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_RestrictedStockUnitsSettledShare" name="RestrictedStockUnitsSettledShare" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_RevenueReserves" name="RevenueReserves" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_SeparationAndTransitionAgreementsDescription" name="SeparationAndTransitionAgreementsDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionNonvestedAggregateIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionNonvestedAggregateIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutOfTheMoneyOptionsExcludedFromOptionExercisableIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOutOfTheMoneyOptionsExcludedFromOptionExercisableIntrinsicValue" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ShareBasedCompensationArrangementByShareBasedPaymentAwardOutOfTheMoneyOptionsVestedAndExpectedToVestOutstandingAggregateExcludedFromIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOutOfTheMoneyOptionsVestedAndExpectedToVestOutstandingAggregateExcludedFromIntrinsicValue" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalUnamortizedCompensationCost" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalUnamortizedCompensationCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <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="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_UpFrontPaymentsContributionsAsFounder" name="UpFrontPaymentsContributionsAsFounder" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="talk_VestedAndUnsettled" name="VestedAndUnsettled" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <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_WarrantsAndRightsOutstandingExpirationPeriod" name="WarrantsAndRightsOutstandingExpirationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_WarrantsIssue" name="WarrantsIssue" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_WeightedAverageFairValueVestedAndUnsettled" name="WeightedAverageFairValueVestedAndUnsettled" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="talk_ClassOfCustomerDomain" name="ClassOfCustomerDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ScheduleOfDepreciationOfPropertyPlantEquipmentLineItems" name="ScheduleOfDepreciationOfPropertyPlantEquipmentLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationLineItems" name="ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_AppBasedSubscriptionForRelationshipAndCoupleCounselingMember" name="AppBasedSubscriptionForRelationshipAndCoupleCounselingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_BtwobrevenueMember" name="BtwobrevenueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_BtwocrevenueMember" name="BtwocrevenueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ClinicalOperationsMember" name="ClinicalOperationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CommercialMember" name="CommercialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ComputerEquipmentAndSoftwareMember" name="ComputerEquipmentAndSoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ConsumerMember" name="ConsumerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ConvertiblePreferredStockSeriesSeedSeedOneSeedTwoAbcAndDMember" name="ConvertiblePreferredStockSeriesSeedSeedOneSeedTwoAbcAndDMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CreditAgreementMember" name="CreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CreditAndSecurityAgreementMember" name="CreditAndSecurityAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CustomerFourMember" name="CustomerFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CustomerOneMember" name="CustomerOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CustomerThreeMember" name="CustomerThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_CustomerTwoMember" name="CustomerTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ElectronicEquipmentMember" name="ElectronicEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_GroopInternetPlatformIncMember" name="GroopInternetPlatformIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_GroopInternetPlatformsIncMember" name="GroopInternetPlatformsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_HealthPlansAndEapCustomersMember" name="HealthPlansAndEapCustomersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_HecMasterFundLpMember" name="HecMasterFundLpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_JpmorganChaseBankNaMember" name="JpmorganChaseBankNaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_LastingMember" name="LastingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_MrAndMsFrankMember" name="MrAndMsFrankMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_NoCustomerMember" name="NoCustomerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_OldTalkspaceMember" name="OldTalkspaceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_OldTalkspacesMember" name="OldTalkspacesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_OldTalkspaceWarrantsMember" name="OldTalkspaceWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_PipeInvestorsMember" name="PipeInvestorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_PrivatePlacementWarrantMember" name="PrivatePlacementWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_PublicWarrantMember" name="PublicWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_PublicWarrantsMember" name="PublicWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeedConvertiblePreferredStockMember" name="SeedConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeedOneConvertiblePreferredStockMember" name="SeedOneConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeedPreferredStockMember" name="SeedPreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeedTwoConvertiblePreferredStockMember" name="SeedTwoConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeriesAConvertiblePreferredStockMember" name="SeriesAConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeriesBConvertiblePreferredStockMember" name="SeriesBConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeriesCConvertiblePreferredStockMember" name="SeriesCConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SeriesDConvertiblePreferredStockMember" name="SeriesDConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_SubscriptionAgreementMember" name="SubscriptionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_TalkspaceIncMember" name="TalkspaceIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_TalkspaceNetworkLlcMember" name="TalkspaceNetworkLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_TermLoanMember" name="TermLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_TwoThousandAndTwentyOneEmployeeStockPurchasePlanMember" name="TwoThousandAndTwentyOneEmployeeStockPurchasePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_TwoThousandAndTwentyOneIncentiveAwardPlanMember" name="TwoThousandAndTwentyOneIncentiveAwardPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_VariableInterestEntityMember" name="VariableInterestEntityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_WarrantsMember" name="WarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ClinicalOperationsExpensesPolicyTextBlock" name="ClinicalOperationsExpensesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ImpactOfRecentlyAdoptedAccountingStandardsPolicyTextBlock" name="ImpactOfRecentlyAdoptedAccountingStandardsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ScheduleOfDepreciationOfPropertyPlantEquipmentTable" name="ScheduleOfDepreciationOfPropertyPlantEquipmentTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" name="ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="talk_ScheduleOfDepreciationOfPropertyPlantEquipmentTableTextBlock" name="ScheduleOfDepreciationOfPropertyPlantEquipmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock" name="ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_CapitalizedSoftwareCostsPolicyTextBlock" name="CapitalizedSoftwareCostsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_CapitalStockTextBock" name="CapitalStockTextBock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_CostOfRevenues" name="CostOfRevenues" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_DescriptionOfOrganisationAndBusinessOperationDisclosureTextBlock" name="DescriptionOfOrganisationAndBusinessOperationDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_OperatingExpense" name="OperatingExpense" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_OperatingSegmentPolicyTextBlock" name="OperatingSegmentPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_RevenueReservesPolicyPolicyTextBlock" name="RevenueReservesPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="talk_ScheduleOfOutlinesMaturitiesOfTheCompanysLeaseLiabilities" name="ScheduleOfOutlinesMaturitiesOfTheCompanysLeaseLiabilities" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
