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They developed a wireless, battery-free implant that can monitor dopamine signals in the brain. The device uses a technique called optogenetic stimulation to activate or inhibit certain neurons in ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Alzheimer's disease is the most common form of dementia, affecting more than three million Americans ...
The following is a list of notable unsolved problems in neuroscience. A problem is considered unsolved if no answer is known or if there is significant disagreement among experts about a proposed solution.
A sample size of around 200 is needed to have 80% power and detect a correlation .2, which is often the average effect size in personality neuroscience. Thus, larger sample sizes are a needed change for this field. [79] The complexity of both the brain and personality traits poses additional challenge to the interdisciplinary field of ...
Unconscious inference refers to the idea that the human brain fills in visual information to make sense of a scene. For example, if something is relatively smaller than another object in the visual field, the brain uses that information as a likely cue of depth, such that the perceiver ultimately (and involuntarily) experiences depth.
Example problem based on Shepard & Metzlar's "Mental Rotation Task": are these two three-dimensional shapes identical when rotated? Mental rotation is the ability to rotate mental representations of two-dimensional and three-dimensional objects as it is related to the visual representation of such rotation within the human mind. [1]
Discussion on the brain's criticality have been done since 1950, with the paper on the imitation game for a Turing test. [9] In 1995, Andreas V. Herz and John Hopfield noted that self-organized criticality (SOC) models for earthquakes were mathematically equivalent to networks of integrate-and-fire neurons, and speculated that perhaps SOC would occur in the brain. [10]
The Human Brain Project (HBP) was a €1-billion EU scientific research project that ran for ten years from 2013 to 2023. [2] [3] [4] Using high-performance exascale supercomputers it built infrastructure that allowed researchers to advance knowledge in the fields of neuroscience, computing and brain-related medicine. [5]