Vision system

Manufactured by Siemens

Sourced in Germany

The Vision system is a piece of lab equipment designed to capture and analyze visual data. It provides precise image acquisition and processing capabilities for various applications in research and industrial settings.

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Lab products found in correlation

Medspec system, by Bruker (1 mentions) Avanto system, by Siemens (1 mentions)

11 protocols using vision system

MRI Scanning on Siemens Vision System

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The MRI acquisition was performed on a 1.5 T Siemens Vision system (Erlangen, Germany) at the Nathan Kline Institute.

Bruno D., Nierenberg J., Cooper T.B., Marmar C.R., Zetterberg H., Blennow K., Hashimoto K, & Pomara N. (2017). The recency ratio is associated with reduced CSF glutamate in late-life depression. Neurobiology of learning and memory, 141, 14-18.

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Resting-State fMRI in Major Depression

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MRI scans were acquired on a 1.5T Siemens Vision System at the Center for Advanced Brain Imaging of the Nathan Kline Institute. All subject scans were obtained within one to two weeks of assessment by SCID-R for the presence of major depression. All depressed patients were psychotropic-free for at least two weeks prior to the MRI scan. Data were processed and analyzed at the Weill-Cornell Brain Imaging Analysis Laboratory. Anatomic imaging included a turbo dual echo scan and high-resolution whole brain images acquired using a 3D T1-weighted MPRAGE for coregistration with fMRI data. fMRI data were acquired using BOLD contrasts in a single-shot multi-slice echo planar image (EPT; TR=2000 ms, TE=50 ms, flip-angle=90 degrees, matrix=64 × 64, FOV=224 mm, 5 mm slice thickness, 22 slices, no gap, 180 acquisitions), which allowed whole brain coverage. During scans, subjects were instructed to keep their eyes closed, stay as motionless as possible, think of nothing in particular, and remain awake. Adherence to these instructions was verified by verbal contact immediately after the resting-state scan.

Yuen G.S., Gunning F.M., Hoptman M.J., AbdelMalak B., McGovern A.R., Seirup J.K, & Alexopoulos G.S. (2014). THE SALIENCE NETWORK IN THE APATHY OF LATE-LIFE DEPRESSION. International journal of geriatric psychiatry, 29(11), 1116-1124.

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Multimodal Brain Imaging of Depression

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MRI scans were acquired on a 1.5 T Siemens Vision System at the Center for Advanced Brain Imaging of the Nathan Kline Institute from depressed participants at the end of a 2-week single-blind placebo lead-in/drug washout phase of the treatment trial and from control participants at baseline. Patients received a magnetization prepared rapidly acquired gradient echo (MPRAGE) scan (TR=11.6ms, TE=4.9ms, matrix=256×256, FOV=320mm, NEX=1, slice thickness=1.25mm, 17s slices, no gap) and DTI scan (TR=600ms, TE=100ms, matrix=128×128, FOV=320mm, NEX=7, slice thickness=5mm, 10 slices, no gap). For the DTI scan, eight diffusion sensitization directions were used (with b=1000 s/mm²) along with an image with no diffusion weighting (b=0 s/mm²). The TSE and DTI scans were acquired in an oblique axial plane parallel to the anterior commisure-posterior commissure axis.

Yuen G.S., Gunning F.M., Woods E., Klimstra S.A., Hoptman M.J, & Alexopoulos G.S. (2014). Neuroanatomical correlates of apathy in late-life depression and antidepressant treatment response. Journal of affective disorders, 166, 179-186.

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Basal Forebrain Volume Quantification in MRI

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MRI scans were collected at the baseline from all participants. The acquisition was performed on a 1.5 T Siemens Vision system (Erlangen, Germany) at the Nathan S. Kline Institute for Psychiatric Research, NY, USA. Images were acquired using a sagittal magnetization prepared rapid gradient-echo sequence [MPRAGE; repetition time (TR)/echo time (TE)=11.4/11.9 ms, 1 excitation (NEX), matrix = 256 × 256, FOV = 307 mm, 1.2 mm³ isotropic voxel, 172 slices, no gap].
MRI data processing followed procedures described previously Kilimann et al. (2014) (link), implemented in SPM8 and the VBM8-toolbox in Matlab. The basal forebrain region was determined according to a map from an in cranio post mortem MRI scan and histology of a single individual’s brain (Kilimann et al., 2014 (link)). The total intracranial volume (TIV) was used in the statistical model to account for differences in head size, and was calculated as the sum of the total segmented gray matter, white matter and cerebrospinal fluid volumes in native space.

Teipel S., Bruno D., Plaska C.R., Heslegrave A., Ramos-Cejudo J., Osorio R.S., Zetterberg H., Blennow K, & Pomara N. (2021). Association of CSF sTREM2, a marker of microglia activation, with cholinergic basal forebrain volume in major depressive disorder. Journal of affective disorders, 293, 429-434.

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Multimodal MRI Tissue Segmentation and Alignment

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The 4T MR data were acquired on a Bruker MedSpec system; 3D T1-weighted images were obtained with Magnetization Prepared Rapid Gradient imaging (MPR), and 3D T2-weighted images via turbo spin-echo. The 1.5T MRI data were acquired on a Siemens Vision system; MPR and T2-weighted double spin echo images were acquired. The 4T structural images were segmented into GM, WM and cerebrospinal fluid (CSF) using the Expectation Maximization Segmentation (EMS) method (32 (link)) and co-aligned with the SVS volumes of interest for determination of their tissue contribution (i.e., GM, WM, CSF) (33 (link)). The 1.5T structural images were also segmented into total brain GM, WM, and CSF via EMS. Subsequently, volumes for the four major lobes and subcortical regions were calculated and co-registered to the EMS segmentation to obtain GM, WM, and CSF fractions for the preceding regions (34 ). Finally the segmented 1.5T structural images were co-aligned with SI metabolite maps for anatomical localization (e.g., frontal WM) and determination of tissue contributions (i.e., GM, WM, CSF) in the corresponding SI voxels (23 (link), 35 (link)).

Durazzo T.C., Meyerhoff D.J., Mon A., Abé C., Gazdzinski S, & Murray D.E. (2015). Chronic cigarette smoking in healthy middle-aged individuals is associated with decreased regional brain N-acetylaspartate and glutamate levels. Biological psychiatry, 79(6), 481-488.

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Magnetic Resonance Imaging Protocol for Brain

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The acquisition was performed on a 1.5-T Siemens Vision system (Erlangen, Germany) at the NKI. Images were acquired using a sagittal magnetization prepared rapid gradient-echo sequence (repetition time [TR]/echo time [TE] = 11.4/11.9 ms, 1 excitation [NEX], matrix = 256 × 256, field of view [FOV] = 307 mm, 1.2 mm³ isotropic voxel, 172 slices, no gap). Evaluation of white matter hyperintensities was performed using a fluid-attenuated inversion recovery sequence (TR/TE = 9000/119 ms, inversion time = 2400 ms, NEX = 1, matrix 256 × 256, FOV = 240 mm, slice thickness = 4 mm, 1 mm gap).

Bruno D., Grothe M.J., Nierenberg J., Teipel S.J., Zetterberg H., Blennow K, & Pomara N. (2015). The relationship between cerebrospinal fluid tau markers, hippocampal volume, and delayed primacy performance in cognitively intact elderly individuals. Alzheimer's & Dementia : Diagnosis, Assessment & Disease Monitoring, 1(1), 81-86.

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Magnetic Resonance Imaging Protocol

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The acquisition was performed on a 1.5 T Siemens Vision system (Erlangen, Germany) at the NKI. Images were acquired using a sagittal magnetization prepared rapid gradient-echo sequence [MPRAGE; repetition time (TR)/echo time (TE)=11.4/11.9 ms, 1 excitation, (NEX), matrix=256 × 256, FOV=307 mm, 1.2mm³ isotropic voxel, 172 slices, no gap]. Evaluation of white matter hyperintensities was performed using a fluid attenuated inversion recovery sequence [FLAIR; TR/TE=9000/119 ms, inversion time=2400 ms, NEX=1, matrix 256 × 256, FOV=240 mm, slice thickness=4 mm, 1 mm gap].

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Magnetic Resonance Imaging Acquisition

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The MRI acquisition was performed on a 1.5 T Siemens Vision system (Erlangen, Germany) at the Nathan Kline Institute. All images were acquired using a sagittal magnetization prepared rapid gradient-echo sequence [MPRAGE; repetition time (TR)/echo time (TE)=11.4/11.9 ms, 1 excitation, (NEX), matrix=256 × 256, FOV=307 mm, 1.2mm³ isotropic voxel, 172 slices, no gap]. For evaluation of white matter hyperintensities, we used a fluid attenuated inversion recovery sequence [FLAIR; TR/TE=9000/119 ms, inversion time=2400 ms, NEX=1, matrix 256 × 256, FOV=240 mm, slice thickness=4 mm, 1 mm gap].

Bruno D., Grothe M.J., Nierenberg J., Zetterberg H., Blennow K., Teipel S.J, & Pomara N. (2015). A study on the specificity of the association between hippocampal volume and delayed primacy performance in cognitively intact elderly individuals. Neuropsychologia, 69, 1-8.

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Multimodal MRI Acquisition Protocol

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MRI data were obtained on a 1.5-T Siemens Vision™ System (Siemens Inc., Iselin, NJ, USA), using a standard quadrature head coil. Structural MRI data were acquired using a double spin echo (DSE) sequence and a volumetric magnetization-prepared rapid gradient echo (MPRAGE) T1-weighted sequence. The parameters of MPRAGE T1-weighted images were: TR/TE/TI = 10/7/300 ms, 15° flip angle, 1.00 mm× 1.00 mm in-plane resolution, and 1.40 mm thick coronal partitions and oriented orthogonal to the image planes of DSE.

Raamana P.R., Rosen H., Miller B., Weiner M.W., Wang L, & Beg M.F. (2014). Three-Class Differential Diagnosis among Alzheimer Disease, Frontotemporal Dementia, and Controls. Frontiers in Neurology, 5, 71.

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Presurgical and Postsurgical Brain MRI Scans

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Presurgical volume T₁-weighted MRI brain scans (available for 33 surgical participants (78%) were acquired on a 1.5 T Siemens Vision System using a 3D magnetization-prepared rapid gradient-echo sequence (repetition time 10 ms; echo time 4 ms; flip angle 12°; voxel size: 1.0 × 1.0 × 1.25 mm). At follow-up, all participants (surgical participants and non-surgical controls) underwent MRI scans using a 1.5 T Siemens Avanto System. Three-dimensional volume T₁-weighted scans were acquired using a 3DFLASH sequence (repetition time 11 ms; echo time 5 ms; flip angle =15°, field of view = 256 mm, matrix size 256 × 256, voxel size 1.0 × 1.0 × 1.0 mm).

Skirrow C., Cross J.H., Harrison S., Cormack F., Harkness W., Coleman R., Meierotto E., Gaiottino J., Vargha-Khadem F, & Baldeweg T. (2014). Temporal lobe surgery in childhood and neuroanatomical predictors of long-term declarative memory outcome. Brain, 138(1), 80-93.

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