Wednesday, 26 September, 2018

Tag: The Brain & Genetics

Hundreds Of Autism Genes Triggered By Single Protein

Hundreds Of Autism Genes Triggered By Single Protein

Despite some exciting recent advances in early detection methods, autism spectrum disorder is still a frustratingly mysterious and elusive condition. Over 200 genes have been implicated in the condition, but no single mechanism has yet been identified to suggest possible treatment methods. A new study is offering a clue into the origins of

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Humans 2.0

Humans 2.0

Humans 2.0. Bryan Johnson isn’t short of ambition. The founder and CEO of neuroscience company Kernel want “to expand the bounds of human intelligence”. He is planning to do this with neuroprosthetics; brain augmentations that can improve mental function and treat disorders. Put simply, Kernel hopes to place a chip

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Possible Source Of Human Consciousness Located

Possible Source Of Human Consciousness Located

Possible Source Of Human Consciousness Located. Scientists have struggled for millennia to understand human consciousness – the awareness of one’s existence. Despite advances in neuroscience, we still don’t really know where it comes from, and how it arises. But researchers think they might have finally figured out its physical origins, after pinpointing a

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Nerve Implant Restores Consciousness To Man In Vegetative State. Patients lying in a vegetative state present severe impairments of consciousness caused by lesions in the cortex, the brainstem, the thalamus and the white matter. There is agreement that this condition may involve disconnections in long-range cortico–cortical and thalamo-cortical pathways. Hence, in the vegetative state cortical activity is ‘deafferented’ from subcortical modulation and/or principally disrupted between fronto-parietal regions. Some patients in a vegetative state recover while others persistently remain in such a state. The neural signature of spontaneous recovery is linked to increased thalamo-cortical activity and improved fronto-parietal functional connectivity. The likelihood of consciousness recovery depends on the extent of brain damage and patients’ etiology, but after one year of unresponsive behavior, chances become low. There is thus a need to explore novel ways of repairing lost consciousness. Here we report beneficial effects of vagus nerve stimulation on consciousness level of a single patient in a vegetative state, including improved behavioral responsiveness and enhanced brain connectivity patterns. Credit: From the paper Restoring Consciousness With Vagus Nerve Stumulation by Martina Corazzol et al., published in Current Biology 25 September 2017. Read Article Here: https://www.theguardian.com/science/2017/sep/25/nerve-implant-restores-consciousness-to-man-in-vegetative-state

Nerve Implant Restores Consciousness To Man In Vegetative State

Nerve Implant Restores Consciousness To Man In Vegetative State. Patients lying in a vegetative state present severe impairments of consciousness caused by lesions in the cortex, the brainstem, the thalamus and the white matter. There is agreement that this condition may involve disconnections in long-range cortico–cortical and thalamo-cortical pathways. Hence, in

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Your Eyes Not The Only Part Of Your Body That See

Your Eyes Not The Only Part Of Your Body That See

Your Eyes Not The Only Part Of Your Body That See. Melanopsin is a type of photopigment belonging to a larger family of light-sensitive retinal proteins called opsins and encoded by the gene Opn4. It was first discovered by Ignacio Provencio as a novel opsin in the melanophores, or light-sensitive skin cells, of the African clawed frog in 1998. A year later, researchers

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Mapping The Human Brain From The Womb To Birth

Mapping The Human Brain From The Womb To Birth

Mapping The Human Brain From The Womb To Birth. Few advances in neuroscience could have as much impact as a precise global description of human brain connectivity (connectome) and its variability. Understanding this connectome in detail will provide insights into fundamental neural processes and intractable neuropsychiatric diseases. Currently, the connectome of

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What Is It Like To Have Electroconvulsive Therapy

What Is It Like To Have Electroconvulsive Therapy

What Is It Like To Have Electroconvulsive Therapy. When medication fails to ease the symptoms of clinical depression, there are other options to try. With ECT, an electric current is briefly applied through the scalp to the brain, inducing a seizure. The least invasive of these brain stimulation techniques is called transcranial magnetic stimulation, in which

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