srtm_v_model: Model: Simplified Reference Tissue Model with Blood Volumes

View source: R/kinfitr_srtm_v.R

srtm_v_modelR Documentation

Model: Simplified Reference Tissue Model with Blood Volumes

Description

This is the SRTM model itself by which predicted values are generated.

Usage

srtm_v_model(t_tac, reftac, bloodtac, R1, k2, bp, vBr, vBt)

Arguments

t_tac

Numeric vector of times for each frame in minutes. We use the time halfway through the frame as well as a zero.

reftac

Numeric vector of radioactivity concentrations in the reference tissue for each frame.

bloodtac

Numeric vector of radioactivity concentrations in the blood for each frame.

R1

Parameter value for R1

k2

Parameter value for k2

bp

Parameter value for bp

vBr

Parameter value for vBr

vBt

Parameter value for vBt

Value

A numeric vector of the predicted values of the TAC in the target region.

Author(s)

Granville J Matheson, mathesong@gmail.com

References

Tomasi, G., Edison, P., ... & Turkheimer, F. E. (2008). Novel reference region model reveals increased microglial and reduced vascular binding of 11C-(R)-PK11195 in patients with Alzheimer's disease. Journal of Nuclear Medicine, 49(8), 1249-1256.

Examples

## Not run: 
srtm_v_model(t_tac, reftac, R1 = 0.9, k2 = 0.1, bp = 1.5, vBr = 0.05, vBt = 0.05)

## End(Not run)


mathesong/kinfitr documentation built on Jan. 15, 2024, 11:07 p.m.