Cross-sectional Brain MRI Data Across Adult Lifespan

This dataset, OASIS_cross_tbl_df, is a tibble containing a cross-sectional collection of MRI data from 436 individuals aged 18 to 96, obtained as part of the Open Access Series of Imaging Studies (OASIS). For each subject, 3 or 4 T1-weighted MRI scans acquired during a single scanning session are included. All participants are right-handed and include both men and women. Among the subjects over the age of 60, 100 have been clinically diagnosed with very mild to moderate Alzheimer’s disease (AD).

Usage

data(OASIS_cross_tbl_df)

Format

A tibble with 436 observations and 12 variables:

ID

Subject identifier (character)

M/F

Sex of the participant (character)

Hand

Handedness of the participant (character)

Age

Age in years (numeric)

Educ

Years of education (numeric)

SES

Socioeconomic status score (numeric)

MMSE

Mini-Mental State Examination score (numeric)

CDR

Clinical Dementia Rating score (numeric)

eTIV

Estimated total intracranial volume (numeric)

nWBV

Normalized whole-brain volume (numeric)

ASF

Atlas scaling factor (numeric)

Delay

Inter-scan interval in days (character)

Source

Data taken from Kaggle: https://www.kaggle.com/datasets/jboysen/mri-and-alzheimers

Details

The dataset name has been kept as OASIS_cross_tbl_df to avoid confusion with other datasets in the R ecosystem. This naming convention helps distinguish this dataset as part of the NeuroDataSets package and assists users in identifying its specific characteristics. The suffix tbl_df indicates that the dataset is a tibble (a modern data frame). The original content has not been modified in any way. Variable names and values are provided exactly as they appear in the source.