Feasibility Neurocognitive Outcome After Transplant

Inclusion Criteria:

   - All patients must have a histologic or cytological diagnosis of ALL treated with stem
   cell transplantation. There are no restrictions on prior therapy.

   - Patients must be between the ages of 6 years and 21 years of age (inclusive), but
   there will be no discrimination based on gender, race, creed, or ethnic background.
   The age limits are set at 6 years of age in order to ensure that patients will be able
   to participate in these specific cognitive rehabilitation tasks. ECOG/KPS will not be
   employed.

   - Patient and/or parents/guardians as appropriate must sign an informed consent, be
   mentally responsible, able to understand and willing to sign a written informed
   consent.

Exclusion Criteria:

   - Subjects with significant concurrent medical complications that in the judgment of the
   Principal Investigator(s) could affect the patient's ability to complete the planned
   trial. There are no therapy restrictions or restrictions regarding the use of other
   Investigational Agents.

   - Pregnant patients will be excluded.