New type of pluripotent cell discovered in adult breast tissue: Human body carries personalized 'patch kit'
(Medical Xpress)—UC San Francisco researchers have found that certain rare cells extracted from adult breast tissue can be instructed to become different types of cells – a discovery that could have important ...
Medical research
Mar 05, 2013 |
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Controlling mood through the motions of mitochondria
(Medical Xpress)—Regulating the distribution of power in neurons is done by a system that makes the national electric grid look simple by comparison. Each neuron has several thousand mitochondria confined ...
Neuroscience
7 hours ago |
4.8 / 5 (5) |
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If you can remember it, you can remember it wrong
(Medical Xpress)—Native peoples in regions where cameras are uncommon sometimes react with caution when their picture is taken. The fear that something must have been stolen from them to create the photo ...
Neuroscience
May 21, 2013 |
4.3 / 5 (6) |
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Motion perception revisited: High Phi effect challenges established motion perception assumptions
(Medical Xpress)—Optical illusions abound in human visual perception, as demonstrated by the following well-known examples. Although many are static illusions, motion illusions also occur. Recently, scientists ...
Neuroscience
Apr 23, 2013 |
3 / 5 (2) |
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Structural dynamics underlying memory in aging brains
(Medical Xpress)—When the brains of those who have succumbed to age-related neurodegeneration are analyzed post-mortem, they typically show significant atrophy on all scales. Not only is the cortex thinner ...
Neuroscience
Apr 17, 2013 |
5 / 5 (2) |
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Anything you can do I can do better: Neuromolecular foundations of the superiority illusion (Update)
(Medical Xpress)—The existential psychologist Rollo May wrote that "depression is the inability to construct a future"1 while Lionel Tiger stated that "optimism has been central to the process of human e ...
Neuroscience
Apr 02, 2013 |
4.5 / 5 (11) |
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The visual system as economist: Neural resource allocation in visual adaptation
(Medical Xpress)—It has long been held that in a new environment, visual adaptation should improve visual performance. However, evidence has contradicted this expectation: Adaptation sometimes not only ...
Neuroscience
Mar 30, 2013 |
5 / 5 (2) |
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Separate lives: Neuronal and organismal lifespans decoupled
(Medical Xpress)—Replicative aging (also known as replicative senescence) causes mammalian cells to undergo a process of growth arrest dependent on telomeres (the shortening of repeated sequences at the ends o ...
Neuroscience
Mar 27, 2013 |
4.9 / 5 (8) |
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Sizing things up: The evolutionary neurobiology of scale invariance
(Medical Xpress)—Visual perception is far more complex and powerful than our experience suggests. Moreover, in attempting to both understand vision and implement it in a computational device, the fact that ...
Neuroscience
Feb 28, 2013 |
4.8 / 5 (10) |
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Step by step: Feature detection and combination in perceptual learning and object identification
(Medical Xpress)—The ease and immediacy with which we recognize familiar objects escapes our notice. However, a novel, ambiguous, or highly complex object requires practice to achieve such perceptual facility. ...
Neuroscience
Jan 11, 2013 |
3.7 / 5 (6) |
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Face the facts: Neural integration transforms unconscious face detection into conscious face perception
(Medical Xpress)—The apparent ease and immediacy of human perception is deceptive, requiring highly complex neural operations to determine the category of objects in a visual scene. Nevertheless, the human ...
Neuroscience
Dec 31, 2012 |
4.8 / 5 (9) |
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Do brain cells need to be connected to have meaning?
(Medical Xpress)—The classic theory of the brain is one of connections, in which the brain consists of a network of neurons that interact with each other to allow us to think, see, interpret, and understand ...
Neuroscience
Dec 04, 2012 |
4.9 / 5 (9) |
8
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Off the grid: Environmental novelty changes hippocampal firing patterns
(Medical Xpress)—The brain's two hippocampal formations – one in each hemisphere's temporal lobe, medial to the inferior horn of the lateral ventricle and typically referring to the dentate gyrus, the ...
Neuroscience
Nov 07, 2012 |
5 / 5 (5) |
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Of enzymes and aging: Tryptophan metabolism plays key role in aging and age-related neurological diseases
(Medical Xpress)—In the battle against aging and age-related neurological diseases such as Parkinson's and Alzheimer's, a key factor has long appeared to be the toxicity of proteins which tend to aggregate. ...
Medical research
Oct 05, 2012 |
4.7 / 5 (14) |
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Memory vs. Math: Same brain areas show inverse responses to recall and arithmetic
(Medical Xpress)—Scientists have historically relied on neuroimaging – but not electrophysiological – data when studying the human default mode network (DMN), a group of brain regions with lower activi ...
Neuroscience
Sep 17, 2012 |
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