Author's Accepted Manuscript Spectroscopic markers of memory impair- ment, symptom severity and age of onset in older people with lifetime depression: Dis- crete roles of N-acetyl aspartate and gluta- mate Hirosha K. Jayaweera, Jim Lagopoulos, Shantel L. Duffy, Simon J.G. Lewis, Daniel F. Hermens, Louisa Norrie, Ian B. Hickie, Sharon L. Naismith PII: S0165-0327(15)00238-4 DOI: http://dx.doi.org/10.1016/j.jad.2015.04.023 Reference: JAD7400 To appear in: Journal of Affective Disorders Received date: 30 January 2015 Revised date: 10 April 2015 Accepted date: 10 April 2015 Cite this article as: Hirosha K. Jayaweera, Jim Lagopoulos, Shantel L. Duffy, Simon J.G. Lewis, Daniel F. Hermens, Louisa Norrie, Ian B. Hickie, Sharon L. Naismith, Spectroscopic markers of memory impairment, symptom severity and age of onset in older people with lifetime depression: Discrete roles of N- acetyl aspartate and glutamate, Journal of Affective Disorders, http://dx.doi.org/ 10.1016/j.jad.2015.04.023 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting galley proof before it is published in its final citable form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. www.elsevier.com/locate/jad