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  <xsd:element name="WarrantsExercisable" id="stim_WarrantsExercisable" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DebtInstrumentNumberOfDaysVolumeWeightedAveragePricePriorToClosingDate" id="stim_DebtInstrumentNumberOfDaysVolumeWeightedAveragePricePriorToClosingDate" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentNumberOfDaysVolumeWeightedAveragePriceOnSpecificDate" id="stim_DebtInstrumentNumberOfDaysVolumeWeightedAveragePriceOnSpecificDate" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SolarInvestmentCorpMember" id="stim_SolarInvestmentCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClinicalEquipmentMember" id="stim_ClinicalEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TmsDevicesMember" id="stim_TmsDevicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SecondaryPublicOfferingMember" id="stim_SecondaryPublicOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CurrencyRiskPolicyPolicyTextBlock" id="stim_CurrencyRiskPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FinancialResultsOfSubsidiaryIncludedInConsolidatedFinancialResultsPercent" id="stim_FinancialResultsOfSubsidiaryIncludedInConsolidatedFinancialResultsPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDeferredSharesNumber" id="stim_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDeferredSharesNumber" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NonWhollyOwnedSubsidiariesMember" id="stim_NonWhollyOwnedSubsidiariesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromLinesOfCreditAllocatedToWarrants" id="stim_ProceedsFromLinesOfCreditAllocatedToWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ClassOfWarrantsOrRightsGranted" id="stim_ClassOfWarrantsOrRightsGranted" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantsOrRightsExercised" id="stim_ClassOfWarrantsOrRightsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantsOrRightsCancelled" id="stim_ClassOfWarrantsOrRightsCancelled" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RestrictedCashAndCashEquivalentsFairValueDisclosure" id="stim_RestrictedCashAndCashEquivalentsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AtMarketEquityOfferingProgramMember" id="stim_AtMarketEquityOfferingProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommonStockCapitalReservedForFutureIssuance" id="stim_CommonStockCapitalReservedForFutureIssuance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MinimumLiquidityBalance" id="stim_MinimumLiquidityBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SalesCommissionOnStockIssuance" id="stim_SalesCommissionOnStockIssuance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AdditionalOfferingCosts" id="stim_AdditionalOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ProceedsFromIssuanceOfCommonStockNet" id="stim_ProceedsFromIssuanceOfCommonStockNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SeventyMillionCreditFacilityMember" id="stim_SeventyMillionCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ExercisePriceRangeOneMemberMember" id="stim_ExercisePriceRangeOneMemberMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ExercisePriceRangeTwoMemberMember" id="stim_ExercisePriceRangeTwoMemberMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ExercisePriceRangeThreeMemberMember" id="stim_ExercisePriceRangeThreeMemberMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" id="stim_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PropertyPlantAndEquipmentDisposalsNetBookValue" id="stim_PropertyPlantAndEquipmentDisposalsNetBookValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RepaymentOfPrepaymentPenalty" id="stim_RepaymentOfPrepaymentPenalty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsFromGovernmentAssistance" id="stim_ProceedsFromGovernmentAssistance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ProceedsFromGovernmentAssistancePrincipal" id="stim_ProceedsFromGovernmentAssistancePrincipal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ProceedsFromGovernmentAssistanceInterest" id="stim_ProceedsFromGovernmentAssistanceInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ProceedsFromGovernmentAssistanceTransferredAsPerPriorAgreement" id="stim_ProceedsFromGovernmentAssistanceTransferredAsPerPriorAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TwoThousandTwentySixEquityIncentivePlanMember" id="stim_TwoThousandTwentySixEquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NonControllingInterestAcquisitionOfSubsidiary" id="stim_NonControllingInterestAcquisitionOfSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AmortizationOfShelfRelatedOfferingExpenses" id="stim_AmortizationOfShelfRelatedOfferingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="GreenbrookSegmentMember" id="stim_GreenbrookSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NeurostarSegmentMember" id="stim_NeurostarSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
