For questions surrounding movement such as stair walking, dynamic touch, time-to-contact (Tau) estimation, the motor cortex, end-effectors (muscles, glands, etc.), and motor deficits in humans and animals.

learn more… | top users | synonyms (1)

48
votes
1answer
9k 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 ...
39
votes
1answer
4k 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 ...
13
votes
2answers
2k 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 ...
10
votes
1answer
5k 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 ...
9
votes
1answer
205 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 ...
9
votes
2answers
125 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 ...
8
votes
3answers
195 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 ...
7
votes
1answer
276 views

What explains involuntary imitation of behavior such as shrugging?

Recently, I watched a discussion program on TV and one of the participants shrugged. I found that, not only did I do the same, but I seemed to do it in synchrony the speaker. I didn't want to do this, ...
7
votes
2answers
360 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 ...
7
votes
0answers
33 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 ...
6
votes
1answer
90 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 ...
6
votes
1answer
102 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 ...
5
votes
3answers
272 views

Is it possible to master two different typing keyboard layouts?

I am a good typist with qwerty keyboard, I came across other keyboard layouts (eg: Dvorak keyboard). I believe I will never be able to master these two typing layouts simultaneously. Am I right? or ...
5
votes
1answer
70 views

How is averaging used in calculating the Bereitschaftspotential?

I have a question about the averaging involved in the Bereitschaftspotential. On the wiki page you can read that, because it is so small, the Bereitschaftspotential only becomes apparent after ...
5
votes
1answer
86 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 ...
5
votes
2answers
3k 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 ...
5
votes
1answer
37 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 ...
5
votes
1answer
57 views

How exactly do “you” think and interact with your body?

It has been established that our brains control many processes that your body carries out autonomously and involuntarily. However, other actions are controlled by you. (e.g. you lift an arm, you ...
5
votes
0answers
46 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 ...
4
votes
2answers
638 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 ...
4
votes
2answers
143 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
1answer
71 views

Handwriting analysis by profession (muscular control) - Athletes, musicians, etc

Is there any scientific study on handwriting by profession? In the whole world, the people with the most control of their muscles are athletes. Or pianists, who have extremely good control of their ...
4
votes
1answer
123 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 ...
4
votes
0answers
40 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
votes
0answers
58 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 ...
4
votes
0answers
59 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 ...
3
votes
1answer
226 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 ...
3
votes
1answer
42 views

How are movements stored in the brain?

The high level flow of information through the brain for the purpose of motor control is well established. It is also known the cerebellum stores many different movements, while also participating in ...
3
votes
0answers
221 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
0answers
165 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 ...
2
votes
1answer
64 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
54 views

What is the effect of listening to music on walking?

How does music affect walking speed and attitude? What will be the effects of different pitch and tempo of music on a person's walking behavior?
2
votes
1answer
167 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 ...
2
votes
1answer
31 views

Able to type promptly, but doubt validity when spelling it out?

I was unable to frame a search query for my question, hence decided to post it out here. I am normally able to type passwords, numbers and other tiny bits of text very fast. However if I have to ...
2
votes
1answer
99 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 ...
1
vote
1answer
37 views

Do subjects with a missing cerebellum have a superior ability to verbalize motion sequences?

Since the function of the cerebellum in patients with cerebellar hypoplasia needs to be taken over by other brain components such as the motor cortex, and since the cortex is the source of language, ...
1
vote
1answer
636 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. ...
1
vote
0answers
11 views

How do the motor system and Central Pattern Generators interact?

Central Pattern Generators are populations of neurons found in the spinal chord that assist in the creation of rhythmic movements. See this paper for a recent publication on the topic. How does the ...
1
vote
0answers
20 views

Contemporary Resources on Cognitive Science of Typing

[Apologies if this is too general.] I'm doing research on language production during the computer keyboard typing process. There are some great classic articles like Rumelhart & Norman, 1982 and ...
0
votes
1answer
81 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 ...
0
votes
0answers
14 views

Pre-motor potentials

I see a problem when interpreting pre-motor potentials (like readiness potential or movement-related cortical potential) that are detected before the movement takes place. These potentials occur at ~ ...