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Counting on brain structure: MRI reveals numeracy

Date: Jan 1, 2014

Author: David Bradley

Magnetic resonance image can reveal whether an individual's numeracy skills pivot on their spatial or non-spatial awareness skills, according to researchers in The Netherlands and Germany writing in the Journal of  Cognitive Neuroscience.

Read More thumbnail image: Counting on brain structure MRI reveals numeracy

Journal Highlight: Diffusion MRI in the diagnosis of parkinsonism and tremor

Date: Dec 13, 2013

Author: spectroscopyNOW

The advantages of diffusion MRI over conventional MRI for differentiating patients with Parkinson’s disease, atypical parkinsonian disorders and essential tremor are discussed.

Read More thumbnail image: Journal Highlight Diffusion MRI in the diagnosis of parkinsonism and tremor

Liquid security: MRI at the airport

Date: Dec 1, 2013

Author: David Bradley

Researchers in the USA have developed a magnetic resonance imaging (MRI) technique that could provide a much-needed simple way to scan liquids carried by passengers or in hold luggage for enhanced airport security and security elsewhere.

Read More thumbnail image: Liquid security MRI at the airport

Journal Highlight: Neural correlates of stress and favorite-food cue exposure in adolescents: A functional magnetic resonance imaging study

Date: Nov 25, 2013

Author: spectroscopyNOW

Brain activation patterns in adolescents were examined during stress and favorite-food-cue experiences relative to a neutral-relaxing condition.

Read More thumbnail image: Journal Highlight Neural correlates of stress and favorite-food cue exposure in adolescents A functional magnetic resonance imaging study

MR thermometry: Catalytic insight

Date: Nov 1, 2013

Author: David Bradley

A variation on the magnetic resonance imaging theme has been used by US chemists to investigate the innards of a catalytic reactor to find out how the temperatures of gases within evolve as the reaction proceeds.

Read More thumbnail image: MR thermometry Catalytic insight

Journal Highlight: MRI biosensors: A short primer

Date: Oct 21, 2013

Author: spectroscopyNOW

This brief tutorial, based on a short course lecture from the 2011 ISMRM meeting, provides an overview of underlying principles governing the design of biosensing contrast agents for MRI.

Read More thumbnail image: Journal Highlight MRI biosensors A short primer

Sense and sensibility: Olfaction and anxiety

Date: Oct 1, 2013

Author: David Bradley

US researchers have used functional magnetic resonance imaging (fMRI) to prize open the lid of the olfactory black box and to take a sniff, not at how odour evokes emotions, but at how emotions such as anxiety can "rewire" the brain so that our perception of particular scents changes, perhaps giving the smell of a lover's hair the odour of freshly discarded socks at times of stress.

Read More thumbnail image: Sense and sensibility Olfaction and anxiety

Journal Highlight: Body MRI artifacts in clinical practice: A physicist's and radiologist's perspective

Date: Sep 23, 2013

Author: spectroscopyNOW

This review promotes understanding of the artifacts which occur in MRI exams due to the high information content, so that they can be prevented or properly interpreted to optimize diagnostic effectiveness.

Read More thumbnail image: Journal Highlight Body MRI artifacts in clinical practice A physicists and radiologists perspective

Explosive model: MRI mathematics pinpoints bombs

Date: Sep 1, 2013

Author: David Bradley

A three-dimensional model of the Earth's crust and the mantle beneath it can be analysed using the same equations as are used to analyse and interpret magnetic resonance data for display of an MRI. Instead of revealing the presence of a brain tumour or damaged tissues following injury the equations can be used to illuminate the material properties of the Earth's interior which can help to reveal the precise locations of explosions across the globe.

Read More thumbnail image: Explosive model MRI mathematics pinpoints bombs

Journal Highlight: A pilot functional MRI study of the effects of prefrontal rTMS on pain perception

Date: Aug 26, 2013

Author: spectroscopyNOW

This exploratory pilot study used functional magnetic resonance imaging to examine the effects of left prefrontal repetitive transcranial magnetic stimulation on brain activity and pain perception.

Read More thumbnail image: Journal Highlight A pilot functional MRI study of the effects of prefrontal rTMS on pain perception
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