Quick subconscious thinking decides ‘how much louder?’ and which muscles to use
How someone tells you to "keep quiet" affects whether or how you might comply. But what happens when youre asked to "talk louder," or youre talking and the background noise level suddenly goes up?
Purdue University researchers found that how you get louder is a function of how youre told to speak louder and environmental cues. Far more surprising, they discovered that trying to talk louder in response to verbal or other cues involves different sets of muscles and setting internal performance goals – all accomplished subconsciously, involving neural control of the respiratory system. "Its entirely shifted my thinking about how the respiratory system works in speech," lead researcher Jessica E. Huber said. "We never viewed respiration as a flexible system, just whether it was efficient or not. But we found that respiratory control is very context-dependent, and changes in the linguistic or cognitive load of the speech task alters the neural control of the respiratory system," Huber added.
Mayer Resnick | EurekAlert!
Study relating to materials testing Detecting damages in non-magnetic steel through magnetism
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Scientists develop first tool to use machine learning methods to compute flow around interactively designable 3D objects. Tool will be presented at this year’s prestigious SIGGRAPH conference.
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Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.
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Proteins must be folded correctly to fulfill their molecular functions in cells. Molecular assistants called chaperones help proteins exploit their inbuilt folding potential and reach the correct three-dimensional structure. Researchers at the Max Planck Institute of Biochemistry (MPIB) have demonstrated that actin, the most abundant protein in higher developed cells, does not have the inbuilt potential to fold and instead requires special assistance to fold into its active state. The chaperone TRiC uses a previously undescribed mechanism to perform actin folding. The study was recently published in the journal Cell.
Actin is the most abundant protein in highly developed cells and has diverse functions in processes like cell stabilization, cell division and muscle...
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