Robert J. Ivnik

Mild Cognitive Impairment

Patients who meet the criteria for MCI can be differentiated from healthy control subjects and those with very mild AD. They appear to constitute a clinical entity that can be c...

Neuropathologic Features of Amnestic Mild Cognitive Impairment

The neuropathologic features of aMCI matched the clinical features and seemed to be intermediate between the neurofibrillary changes of aging and the pathologic features of very...

Neuropsychological tests' norms above age 55: COWAT, BNT, MAE token, WRAT-R reading, AMNART, STROOP, TMT, and JLO

Abstract Age- (> 55 years) and education-based norms are presented for eight neuropsychological tests: COWAT, BNT, MAE Token, WRAT-R Reading, AMNART, STROOP, TMT, and JLO. These...

Mayo's older americans normative studies: WAIS-R norms for ages 56 to 97

Abstract Data obtained in Mayo's Older Americans Normative Studies (MOANS) provide age-specific norms for the Wechsler Adult Intelligence Scale-Revised (WAIS-R) on a sample of 5...

Memory function in normal aging

We evaluated memory function in a group of 161 community-dwelling, cognitively normal individuals aged 62 to 100 years recruited as part of the Mayo Clinic Alzheimer's Disease P...

Mayo's older americans normative studies: WMS-R norms for ages 56 to 94

Abstract Data obtained in Mayo's Older Americans Normative Studies (MOANS) provide age-specific norms for the Wechsler Memory Scale-Revised (WMS-R) on a sample of 441 cognitivel...

Mayo Clinic Alzheimer’s Disease Patient Registry

Memory function in very early Alzheimer's disease

The detection of very early Alzheimer's disease (AD) can be important for both theoretical and practical reasons. Typically, a memory impairment is the first sign of incipient d...

Prediction of AD with MRI-based hippocampal volume in mild cognitive impairment

In older patients with MCI, hippocampal atrophy determined by premorbid MRI-based volume measurements is predictive of subsequent conversion to AD.