Tagged Questions

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

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5
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0answers
47 views

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 ...
3
votes
1answer
48 views

How is averaging used in calculating the Bereitschaftspotential?

I have a question about the averaging involved in the Bereitschaftspotential. On http://en.wikipedia.org/wiki/Bereitschaftspotential you can read that, because it is so small, the ...
2
votes
1answer
131 views

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 ...
3
votes
1answer
108 views

What causes a muscle to be unsteady?

I have noticed for myself that sometimes, certain muscles may become unsteady. Here are three examples: Sometimes it is more difficult to hold my hand still in the air. Another example is how my ...
4
votes
2answers
131 views

Can we enter data at the speed of thought?

I have the subjective personal experience that the speed at which I can enter information in a computer through a keyboard is so slow and my thoughts "run" so fast, that I find it an especially ...
4
votes
2answers
276 views

Why does staring at a single point make it easier to balance on one leg?

If I'm trying to put a shoe on while standing with one leg, it's easier to maintain balance while staring at a single point (e.g., on the ground). Why does staring at a single point make it easier to ...
0
votes
1answer
72 views

Why do people walk in a circle when they are blindfolded and intend to walk in a straight line?

Why does someone with eyes tied follow a circular path if left to walk in a huge yard(kilometers), that occurs even if he thinks that he is walking in a straight line? In my opinion once you drawn a ...
5
votes
2answers
754 views

Does anger increase your body strength?

Will anger increase your body strength or not? If you get angry, you may think that i can break anything or fight anyone but sometimes you almost lose control on your body completely (or probably ...
6
votes
0answers
29 views

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 ...
5
votes
1answer
33 views

Does fluency on a psychomotor task result from practice and a focus on accuracy?

I know this formula, and I don't know where did I read it (or maybe heard about): Conscious accuracy + continuous practice = spontaneous fluency It's an educational technique for long-term ...
1
vote
1answer
320 views

The genetics of handedness

In response to these questions: Are there benefits to learning to write with your non-dominant hand? Spontaneous change of handedness I used myself as an example for spontaneous handedness change. ...
2
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0answers
67 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 ...
8
votes
1answer
3k views

Are there benefits to learning to write with your non-dominant hand?

There are some articles on the web that recommend learning to write with your non-dominant hand to get in touch with your inner child or a higher power, increase your creativity and be more ...
4
votes
0answers
34 views

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 ...
4
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0answers
35 views

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 ...
5
votes
1answer
72 views

Neural Processes of Inducing Flow

Related to my previous question: Improved Typing as a result of slight movement For context: slight movement (<1 inch in any direction) improves typing, piano-playing, and writing, among other ...
6
votes
1answer
78 views

Improved Typing as a result of slight movement

I've found that my typing performance (speed, accuracy, flow) are noticeably improved if I am swaying slightly, mostly side to side, in a non-regular manner. I would estimate that the overall ...
2
votes
1answer
79 views

How are activities involving toy blocks linked the development of intelligence in children?

I'm looking for a peer reviewed article that links the development of intelligence to any form of block building activities. For example a child playing with wooden blocks can improve their ...
6
votes
1answer
93 views

What is the relative effectiveness of self initiated versus therapy approaches to repairing damaged body schema?

Several studies discuss the damaged body schema of amputees and people suffering from CRPS. By damaged body schema I mean where the body their mind constructs doesn't match up with the body that is ...
4
votes
0answers
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 ...
6
votes
1answer
181 views

EEG correlates of handedness

Can any one suggest a good article about features of EEG of left-handed people? I was surprised when find that there are only few old articles about it. I find only one new article by Propper, Ruth ...
2
votes
1answer
59 views

Are there already models for planning and goal-directed behaviour?

I'm interested in planning and how one is able to take action and plan ahead at the same time. I could imagine one could make observations and project these into the future using past experiences. The ...
2
votes
1answer
75 views

Any research on right-hand/left-hand based preferences when interacting with an interface?

My original question is "Left or right placement of interactive elements on a web page", but only now did I find a place where I think I can find the right people to understand it. The gist is: is ...
3
votes
0answers
35 views

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 ...
4
votes
1answer
109 views

Does the person's walking say anything about the person's cognition?

This afternoon I've been observing people at a local park and came up with some observations that lead me to this question: Can the person's gait (manner of walking) say something about the person's ...
6
votes
3answers
149 views

Abstract idealized mental visualization improves motor task performance

I practice martial arts (Aikido), which involves a lot of rotation. When practicing, I find that holding an abstract image in my head, instead of thinking about the actual technique, improves my ...
12
votes
2answers
824 views

Why might a stutterer not stutter when talking to themselves, whispering, or singing?

Background: I'm a stutterer myself and have always wondered what caused my stuttering. There have been reports of the effects of certain genes and environmental factors that causes stuttering. But ...
37
votes
1answer
6k views

Is leg jiggling a focus aid?

This is slightly left-field, but I am interested in the Cognitive Science implications of this question: Many people, myself included, are "leg jigglers", meaning we often sit jiggling or bouncing a ...
36
votes
1answer
2k views

By learning to read and write upside down, what did I do to myself?

If you've ever read Encyclopedia Brown books, you'll be familiar with the backwards writing in the back of the book that explains the solution to the case. When I was in my mid-late teens (I don't ...
9
votes
1answer
177 views

What type of learning mechanism produces a consistent typo?

There is a typographical error that I make and do so every time I try to type a certain word. Whenever I try to type remember, I type remeber. I do this every time. This is different to a regular typo ...