OASIS_cross_tbl_dfR Documentation

Cross-sectional Brain MRI Data Across Adult Lifespan

Description

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)

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.

Source

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