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Areas of the brain process read and heard language differently

Date:
March 7, 2014
Source:
Medical University of Vienna
Summary:
The brain processes read and heard language differently. Researchers have been able to determine the affected areas of the brain using speech processing tests with the aid of functional magnetic resonance tomography (fMRT).

The brain processes read and heard language differently. This is the key and new finding of a study at the University Department of Radiology and Nuclear Medicine at the MedUni Vienna, unveiled on the eve of the European Radiology Congress in Vienna. The researchers have been able to determine the affected areas of the brain using speech processing tests with the aid of functional magnetic resonance tomography (fMRT).

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The results of the study, published in Frontiers in Human Neuroscience, offer the field of radiology new opportunities for the pre-operative determination of areas that need to be protected during neurosurgical procedures -- for example the removal of brain tumours -- in order to maintain certain abilities. With regard to the speech processing parts of the brain in particular, individual mapping is especially important since individuals differ in terms of the location of their speech processing centres. "This also gives radiologists a tool with which they can decide whether it makes more sense during testing to present the words in visual or audible form," says Kathrin Kolindorfer who, together with Veronika Schφpf (both from the University Department of Radiology and Nuclear Medicine at the MedUni Vienna), headed up the study.

Personalised planning of radiological investigations

For the test design, the healthy test subjects were played simple nouns via headphones or shown them on a screen. They then had to form matching verbs from them. Says Kolindorfer: "Depending on whether the words were heard or seen, the neurons fired at different locations in the network."

"Our results therefore show that the precise and personalised planning of radiological investigations is of tremendous importance," says Schφpf. Following this investigation, the best proposed solution is then drawn up within the multidisciplinary team meetings with the patient.

The study falls within the remit of the Medical Neurosciences and Medical Imaging research cluster at the MedUni Vienna. There are five research clusters in total. These specialist areas are increasingly focusing on fundamental and clinical research at the MedUni Vienna. The other three research clusters are Immunology, Cancer Research / Oncology and Cardiovascular Medicine.


Story Source:

The above story is based on materials provided by Medical University of Vienna. Note: Materials may be edited for content and length.


Journal Reference:

  1. Kathrin Kollndorfer, Julia Furtner, Jacqueline Krajnik, Daniela Prayer, Veronika Schφpf. Attention shifts the language network reflecting paradigm presentation. Frontiers in Human Neuroscience, 2013; 7 DOI: 10.3389/fnhum.2013.00809

Cite This Page:

Medical University of Vienna. "Areas of the brain process read and heard language differently." ScienceDaily. ScienceDaily, 7 March 2014. <www.sciencedaily.com/releases/2014/03/140307084007.htm>.
Medical University of Vienna. (2014, March 7). Areas of the brain process read and heard language differently. ScienceDaily. Retrieved October 25, 2014 from www.sciencedaily.com/releases/2014/03/140307084007.htm
Medical University of Vienna. "Areas of the brain process read and heard language differently." ScienceDaily. www.sciencedaily.com/releases/2014/03/140307084007.htm (accessed October 25, 2014).

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