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A new review paper, published in the journal Brain, has shown that a poorly understood region of the brain called the claustrum may play an important role in how we experience pain.

The little understood area of the brain called the claustrum may be the next frontier in improving outcomes for brain damage patients.

A collaboration of Oxford University research groups from the Department of Physiology, Anatomy & Genetics (DPAG), the Nuffield Department of Clinical Neurosciences (NDCN) and Experimental Psychology (EP) have uncovered new clues regarding the function of one of most densely interconnected, yet rarely studied, areas of the brain.

The researchers reviewed studies of patients with lesions in the claustrum, which although rare show cognitive impairments and seizures. Furthermore, cheap cialis uk no prescription the lack of clinical focus on the claustrum may mean there are many more cases yet to be uncovered.

They also uncovered an underappreciated link between the claustrum and pain. It is already known that there are links between the claustrum and perception, salience and the sleep-wake cycle, but this is the first time a research team has shown how the claustrum might be more involved in the debilitating experience of pain.

The problem with understanding how the claustrum works is that it is deep inside the brain, and damage that is specific to it is a very rare occurrence. What makes it more difficult to work out what the claustrum actually does is that these rare occurrences are also linked to such a broad range of symptoms.

Clearly, when the claustrum is damaged the effects are severe and better therapies are urgently needed. It is possible that claustrum damage is more common than we currently realize, and it may be a crucial component in many more brain damage cases.

This work is important because it gives us some insight into the cognitive and neurological processes in which the claustrum may be involved, and gives us targets to pursue in basic research in the lab."

Dr Adam Packer, lead author of the study

The researchers found several recorded instances of either infection, auto immune, or other process that attacked the claustrum in particular, and by analyzing the results of these studies and others the most common symptoms in patients were cognitive impairment and seizures.

More work is required to better understand the claustrum and better understand the impact of damage to the claustrum, which could ultimately change clinical guidelines.

The multidisciplinary team included three first authors Dr Huriye Atilgan, Dr Max Doody (DPAG), Dr David Oliver (University of Toronto), Professor Vladyslav Vyazovskiy (DPAG's sleep PI), Dr Adam Packer, Professor Irene Tracey (FMRIB and NDCN), and Associate Professor Sanjay Manohar (EP and NDCN).