SeyedAhmad Sajjadi

picture of SeyedAhmad  Sajjadi

Assistant Professor, Neurology
School of Medicine

Assistant Professor, Pathology
School of Medicine

M.D., Tehran University of Medical Sciences, 2002
Ph.D., University of Cambridge, 2013, Neurosciences

Phone: 714-456-6808

University of California, Irvine

Irvine, CA 92697
Research Interests
Oldest old dementia, Alzheimer's Disease, Primary progressive aphasia, Frontotemporal dementia
1. Trieu T, Sajjadi SA, Corrada M, Nelson PT, Kawas CH. Risk Factors of Hippocampal Sclerosis in the Oldest Old: The 90+ Study. Neurology. Forthcoming.
2. Sheikh-Bahaei N, Sajjadi SA, Manavaki R, McLean M, O'Brien JT, et al. Positron emission tomography-guided magnetic resonance spectroscopy in Alzheimer disease. Ann Neurol. 2018 Apr;83(4):771-778. PubMed PMID: 29518282.
3. Sheikh-Bahaei N, Sajjadi SA, Pierce AL. Current Role for Biomarkers in Clinical Diagnosis of Alzheimer Disease and Frontotemporal Dementia. Curr Treat Options Neurol. 2017 Nov 14;19(12):46. PubMed PMID: 29134465.
4. Hoffman P, Sajjadi SA, Patterson K, Nestor PJ. Data-driven classification of patients with primary progressive aphasia. Brain Lang. 2017 Nov;174:86-93. PubMed PMID: 28803212; PubMed Central PMCID: PMC5626563.
5. Paganini-Hill A, Greenia DE, Perry S, Sajjadi SA, Kawas CH, et al. Lower likelihood of falling at age 90+ is associated with daily exercise a quarter of a century earlier: The 90+ Study. Age Ageing. 2017 Nov 1;46(6):951-957. PubMed PMID: 28369185.
6. Sajjadi SA, Nestor PJ. Reply. AJNR Am J Neuroradiol. 2017 Sep;38(9):E64. PubMed PMID: 28546245.
7. Bennett IJ, Greenia DE, Maillard P, Sajjadi SA, DeCarli C, et al. Age-related white matter integrity differences in oldest-old without dementia. Neurobiol Aging. 2017 Aug;56:108-114. PubMed PMID: 28527525; NIHMSID: NIHMS878097; PubMed Central PMCID: PMC5647141.
8. Sheikh Bahaei N, Sajjadi S, Manavaki R, Gillard JH. Imaging Biomarkers in Alzheimer’s Disease: A Practical Guide for Clinicians. Journal of Alzheimer's disease reports. 2017 July; 1(1):71-88.
9. Grill JD, Apostolova LG, Bullain S, Burns JM, Cox CG, et al. Communicating mild cognitive impairment diagnoses with and without amyloid imaging. Alzheimers Res Ther. 2017 May 4;9(1):35. PubMed PMID: 28472970; PubMed Central PMCID: PMC5418690.
10. Sajjadi SA, Sheikh-Bahaei N, Cross J, Gillard JH, Scoffings D, et al. Can MRI Visual Assessment Differentiate the Variants of Primary-Progressive Aphasia?. AJNR Am J Neuroradiol. 2017 May;38(5):954-960. PubMed PMID: 28341715.
11. Billette O, Sajjadi SA, Patterson K, Nestor PJ. SECT and MAST: new tests to assess grammatical abilities in primary progressive aphasia. Aphasiology. 2015; 29(10):1135-1151.
12. Sajjadi SA, Patterson K, Nestor PJ. Logopenic, mixed, or Alzheimer-related aphasia?. Neurology. 2014 Apr 1;82(13):1127-31. PubMed PMID: 24574548.
13. Diaz-de-Grenu LZ, Acosta-Cabronero J, Chong YF, Pereira JM, Sajjadi SA, et al. A brief history of voxel-based grey matter analysis in Alzheimer's disease. J Alzheimers Dis. 2014;38(3):647-59. PubMed PMID: 24037033.
14. Sajjadi SA, Acosta-Cabronero J, Patterson K, Diaz-de-Grenu LZ, Williams GB, et al. Diffusion tensor magnetic resonance imaging for single subject diagnosis in neurodegenerative diseases. Brain. 2013 Jul;136(Pt 7):2253-61. PubMed PMID: 23729473.
15. Sajjadi SA, Patterson K, Arnold RJ, Watson PC, Nestor PJ. Primary progressive aphasia: a tale of two syndromes and the rest. Neurology. 2012 May 22;78(21):1670-7. PubMed PMID: 22573633; PubMed Central PMCID: PMC3359509.
16. Sajjadi SA, Patterson K, Tomek M, Nestor PJ. Abnormalities of connected speech in the non-semantic variants of primary progressive aphasia. Aphasiology. 2012; 26(10):1219-1237.
17. Sajjadi SA, Patterson K, Tomek M, Nestor PJ. Abnormalities of connected speech in semantic dementia vs Alzheimer's disease. Aphasiology. 2012; 26:847-866.
18. Sajjadi SA, Harirchian MH, Sheikhbahaei N, Mohebbi MR, Malekmadani MH, et al. The relation between intracranial and intraocular pressures: study of 50 patients. Ann Neurol. 2006 May;59(5):867-70. PubMed PMID: 16634008.
19. Larijani B, Bayat M, Khalili M, Sajjadi SA. Association between diabetes and depression. German journal of psychiatry. 2004; :62-65.
R01 AG062706
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