For questions surrounding the motor cortex, end-effectors (muscles, glands, etc.), and motor deficits in humans and animals.

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How does the body experience free-fall during a hypnic jerk

Today I learned that a sudden jerk that you sometimes experience when you are just about to fall asleep due to a sense of free-fall or weightlessness is called a hypnic jerk. If, while sleeping, I ...
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Does distraction cause us to skip to the next step in a motor plan?

Often, if one is concentrating too hard on a particular task, it seems as though it's quite easy to skip to the next step of a plan of action. For example, a baseball infielder may attempt a throw to ...
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Trying to understand equations in Karl Friston article

I am trying to understand a neuroscience article by Karl Friston. In it he gives three equations that are, as I understand him, equivalent or inter-convertible and refer to both physical and Shannon ...
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Derived knowledge from periodicity of harmonic motion?

This question is the third in a series, after: 1. Improved Typing as a result of slight movement 2. Neural Processes of Inducing Flow Background: Pseudo-random, 'swaying', motion appears to ...
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Current directions in emulation theory

Over the decades there have been several theories from various aspects of cognitive science that have appealed to a link between perception and action as a way of understanding information processing ...
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54 views

Why does speaking disrupt rhythm?

I've noticed that while playing rhythm games--games where I must press buttons precisely in step with a musical accompaniment--I can either play or I can talk. If start talking, I'll almost ...
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What regulates the strength of motoric signals?

I've seen cognitive/roboter models where the input signals from the sensors are directly used as the signal for outgoing motoric control. This doesn't make much sense, because obviously we're able ...
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55 views

Spontaneous change of handedness

I read this question Are there benefits to learning to write with your non-dominant hand?. It got me thinking. Disclaimer: This is not a self help question I am using myself to illustrate the ...