Questions tagged [motor]

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.

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61
votes
1answer
14k 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 ...
56
votes
1answer
13k 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 ...
17
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2answers
11k 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 ...
17
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1answer
7k 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 open-...
14
votes
1answer
307 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 ...
13
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1answer
8k views

What structures in the brain are called upon to strengthen coupling between bilateral movements?

It is very difficult for the normally-coordinated person to be able to pat his/her head and rub his/her stomach at the same time (or pick a similar activity). It seems to be possible to maintain the ...
11
votes
1answer
1k 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, ...
9
votes
2answers
16k 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 ...
9
votes
2answers
175 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
4k 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 ...
8
votes
3answers
338 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 ...
8
votes
1answer
81 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 ...
7
votes
1answer
133 views

Can humans keep track of two unrelated rhythms?

Let's do an experiment. With your left hand start tapping out a regular (evenly-spaced) beat - say, 2 beats per second. With your right hand attempt to tap our a different regular beat, but tap at a ...
7
votes
1answer
213 views

What regulates the strength of motor signals?

I've seen cognitive and robot models where the input signals from the sensors are directly used as the signal for outgoing motor control. This doesn't make much sense, because obviously we're able ...
7
votes
1answer
217 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 ...
7
votes
1answer
119 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 ...
7
votes
2answers
878 views

Scientific way to prove you are ambidextrous, right handed or left handed?

I grew up in a country where my grandmother's generation used to believe that left handed were related with the Devil, so I know many friends that have been "corrected" when kids and now they are ...
7
votes
2answers
1k 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
1answer
194 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 walk)....
6
votes
1answer
93 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 ...
6
votes
1answer
52 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 ...
6
votes
1answer
107 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
128 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 ...
6
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0answers
100 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
210 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 ...
5
votes
0answers
40 views

Research showing short-term memory interferes with motor planning

Has research shown that keeping information in short-term memory, like two words or two numbers, make planning and completing a physical task more difficult?
4
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2answers
193 views

Can you practice and improve physical activities only by thinking?

By physical activities I mean any kind of task, work, sport, you have to use your body. Not always have the time to do some task or even the possibility (need some equipment, not great situation). I ...
4
votes
2answers
2k 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
170 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
3k views

Can you learn a skill by observing someone else?

For instance, does watching an artist draw improve your drawing skill, even if you're not drawing along with them?
4
votes
1answer
58 views

What models/mechanisms exist for the brain to chain movements together?

Motor Sequence Learning is the study of the cognitive ability to chain various motor sequences together. The most intuitive example of this is learning to play a sequence of notes on a piano. ...
4
votes
1answer
118 views

Latency between actual neurons firing and muscles response in open and close fist experiment

I'm trying to analyze the electrocorticograms (ECoG) of opening and closing the fist. I have the data of a glove to capture when the hand moves. I'm struggling with finding the best epoch or segment ...
4
votes
1answer
167 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
49 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
65 views

Why does speaking disrupt rhythm? [closed]

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 ...
3
votes
1answer
54 views

Effect of variability due during motor skill training

When training fine motor skills, are identically setup practice sessions ideal or, like machine learning, does adding noise/variability to the practice session increase skill acquisition?
3
votes
1answer
98 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 "Human spinal locomotor control is based on flexibly organized ...
3
votes
1answer
776 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?
3
votes
1answer
586 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
1answer
31 views

Recording motor-evoked potentials (MEPs) in response to transcranial direct current stimulation (tDCS)?

The amplitudes of motor-evoked potentials (MEPs) are often recorded as a measure of (change in) cortical excitability, after administering some form of non-invasive brain stimulation (NIBS). In a ...
3
votes
1answer
521 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
86 views

Can signals from the prefrontal cortex alone trigger a readiness potential in the pre-supplementary motor area?

Background In Haggard, Patrick. "Human volition: towards a neuroscience of will." Nature Reviews Neuroscience 9.12 (2008): 934., the author states in the caption of Figure 1 (pg. 4): The ...
3
votes
0answers
77 views

Reference request: Parkinson's disease book [closed]

I am about start a project on computational modelling of basal ganglia in the context of motor problems in Parkinson's disease. My background is mostly on computational side (and some neuroscience too)...
3
votes
0answers
17 views

Are facial muscles activated in verbal thought? [duplicate]

In this video, Dr Russel Barkley states the following: I can put electrodes all over your face and I can ask you to cite your Canadian pledge of allegiance in your mind. You still move your face. ...
3
votes
2answers
85 views

How to specify the quickest movement a human can do based on MTM standards?

I am looking for a benchmark as a reference regarding the human Kinesiology that specifies the quickest movement a human can do on basic everyday movements like computer mouse clicking. As far as I ...
3
votes
0answers
73 views

Does increased motor development always occur at the expense of speech development, or vice versa?

It is often said that infants / toddlers* develop in a focused manner. I am specifically interested in the notion that a quick development of speech occurs at the expense of motor skill development ...
3
votes
0answers
458 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 ...
2
votes
1answer
81 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
34 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
118 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 sensory-...