Motion estimation and correction in SPECT, PET and CT

AZ Kyme, RR Fulton - Physics in Medicine & Biology, 2021 - iopscience.iop.org
Patient motion impacts single photon emission computed tomography (SPECT), positron
emission tomography (PET) and x-ray computed tomography (CT) by giving rise to …

Pitfalls and limitations of PET/CT in brain imaging

E Salmon, CB Ir, R Hustinx - Seminars in nuclear medicine, 2015 - Elsevier
Neurologic applications were at the forefront of PET imaging when the technique was
developed in the mid-1970s. Although oncologic indications have become prominent in …

The role of dopamine in value-based attentional orienting

BA Anderson, H Kuwabara, DF Wong, EG Gean… - Current Biology, 2016 - cell.com
Reward learning gives rise to strong attentional biases. Stimuli previously associated with
reward automatically capture visual attention regardless of intention [1–12]. Dopamine …

Dopamine and opioid neurotransmission in behavioral addictions: a comparative PET study in pathological gambling and binge eating

J Majuri, J Joutsa, J Johansson, V Voon… - …, 2017 - nature.com
Although behavioral addictions share many clinical features with drug addictions, they show
strikingly large variation in their behavioral phenotypes (such as in uncontrollable gambling …

Parametric imaging with PET and SPECT

JD Gallezot, Y Lu, M Naganawa… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In molecular imaging modalities such as positron emission tomography (PET) or single
photon emission computed tomography (SPECT), parametric imaging is the process of …

Linking dopaminergic reward signals to the development of attentional bias: A positron emission tomographic study

BA Anderson, H Kuwabara, DF Wong, J Roberts… - NeuroImage, 2017 - Elsevier
The attention system is shaped by reward history, such that learned reward cues
involuntarily draw attention. Recent research has begun to uncover the neural mechanisms …

Human Brain Imaging of α7 nAChR with [18F]ASEM: a New PET Radiotracer for Neuropsychiatry and Determination of Drug Occupancy

DF Wong, H Kuwabara, M Pomper, DP Holt… - Molecular imaging and …, 2014 - Springer
Purpose Using the α7-nAChR radiotracer,[18 F] ASEM, we present the first successful
human positron emission tomography (PET) studies. Rodent occupancy with three clinically …

List-mode PET motion correction using markerless head tracking: proof-of-concept with scans of human subject

OV Olesen, JM Sullivan, T Mulnix… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
A custom designed markerless tracking system was demonstrated to be applicable for
positron emission tomography (PET) brain imaging. Precise head motion registration is …

Supervised deep learning for head motion correction in PET

T Zeng, J Zhang, E Revilla, EV Lieffrig, X Fang… - … Conference on Medical …, 2022 - Springer
Head movement is a major limitation in brain positron emission tomography (PET) imaging,
which results in image artifacts and quantification errors. Head motion correction plays a …

First prototyping of a dedicated PET system with the hemisphere detector arrangement

H Tashima, E Yoshida, Y Iwao… - Physics in Medicine …, 2019 - iopscience.iop.org
A strong demand is expected for high-sensitivity, high-resolution and low-cost brain positron
emission tomography (PET) imaging for early diagnosis of dementia, as well as for general …