Tag Archives: connectivity

Functional MRI
4
Feb

Overview

Functional MRI measures brain activity using blood oxygen level dependent contrast. It maps regions involved in tasks and resting state networks. fMRI supports research and presurgical planning.

Task Based fMRI

Task based fMRI identifies eloquent cortex for language and motor functions. It guides surgical planning to preserve critical areas. Patient cooperation and task design affect results.

Resting State fMRI

Resting state fMRI evaluates functional connectivity without tasks. It is useful in patients unable to perform tasks and in research. Analysis methods continue to evolve and standardize.

Clinical Integration

fMRI complements structural imaging and neurophysiology in presurgical assessment. It informs risk benefit discussions and surgical approaches. Validation and multidisciplinary review support clinical use.

Imaging for Addiction Medicine
4
Feb

Overview

Neuroimaging studies explore brain structure function and connectivity changes associated with addiction. Modalities include MRI PET and functional imaging. Imaging research informs understanding of disease mechanisms and treatment targets.

Functional Imaging Findings

fMRI reveals altered reward and control network activity in substance use disorders. PET studies assess receptor availability and metabolic changes. These findings support development of targeted therapies.

Longitudinal Studies

Longitudinal imaging tracks brain changes with abstinence treatment and relapse. Imaging biomarkers may predict treatment response and recovery trajectories. Research aims to translate findings into clinical tools.

Ethical and Practical Considerations

Imaging in addiction research requires careful consent and interpretation to avoid stigma. Clinical application of imaging biomarkers is still investigational. Multidisciplinary collaboration advances responsible translation.