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    <element id="avxl_MilestoneBasedContractAccruals" name="MilestoneBasedContractAccruals" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_TotalAccruedLiabilities" name="TotalAccruedLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_ResearchAndDevelopmentArrangementContractToPerformForOthersCompensationEarned1" name="ResearchAndDevelopmentArrangementContractToPerformForOthersCompensationEarned1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_NonOperatingIncomeFromGrant" name="NonOperatingIncomeFromGrant" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_DeferredGrantIncome1" name="DeferredGrantIncome1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_ValueOfSharesObligatedToPurchase" name="ValueOfSharesObligatedToPurchase" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_StockIssuedDuringPeriodValueNewIssues1" name="StockIssuedDuringPeriodValueNewIssues1" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_FairValueOfInitialCommitment" name="FairValueOfInitialCommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_IncurredExpenses" name="IncurredExpenses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageGranted" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageGranted" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedAndExpirationsInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedAndExpirationsInPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageGranted" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageGranted" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisedInPeriodWeightedAverageExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageGranted" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageGranted" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageForfeited" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageForfeited" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_WarrantsOutstandingWeightedAverageExercise" name="WarrantsOutstandingWeightedAverageExercise" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="avxl_OptionIssued" name="OptionIssued" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
</schema>
