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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1answer
24 views

Motor skill: Let speed come naturally?

I've commonly heard that when practising a motor skill, one should start slow with correct form and one shouldn't force speed. Rather, let speed come naturally. I believe this but I can't find a ...
61
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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 ...
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0answers
7 views

Research on using kinesthetic sense to guide cognitive visual model?

Has there been any research on how our sense of where our limbs are relatively to our body informs our spatial reasoning? For example, I think people might be more successful at hitting a nail with a ...
9
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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 ...
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 ...
3
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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 ...
56
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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 ...
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0answers
29 views

Why is median motor nerve conduction velocity about 50 m/s?

I recently started reading Fitzgerald's clinical neuroanatomy and neuroscience (Mtui, et al. 2015) and reached chapter 12, electrodiagnostic examination, yesterday. The chapter deals, i.a., with nerve ...
3
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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)...
1
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1answer
62 views

How does modulation of the activity of an afferent neuron lead to increase in MEP's?

I was confused reading this: Another example has been described with the primary motor cortex, where the afferent axonal synaptic input (Figure 1) can be facilitated by anodal tDCS (Rahman et ...
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-...
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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, ...
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 ...
3
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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 ...
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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. ...
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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?
1
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1answer
54 views

Resources for learning how best to learn fine motor skills

I am interested in learning how best to learn a fine motor skill, in this case, playing a musical instrument. Presumably there are more or less effective ways to go about it. Possible factors that I ...
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0answers
218 views

Do central pattern generators control musical performance?

Are the sometimes very fast and complicated rhythmic movements and often long lasting patterns a musician performs while playing a piece of music generated by central pattern generators (in the sense ...
3
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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 ...
4
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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 ...
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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 ...
3
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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 ...
8
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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 ...
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1answer
63 views

“Raise your game” studies

Let's say I play a game or sport against somebody stronger than me. I might plausibly feel a need to raise my game. Are there any empirical academic studies which test whether such a phenomenon exists?...
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0answers
18 views

What is inter-rater agreement for Laban Movement Analysis?

Annotation of datasets, such as those used in action [1] and emotion recognition [2], using Laban Movement Analysis (LMA) is usually done by Certified Laban Movement Analyst (CLMA). How much consensus ...
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55 views

Alternatives to Laban Movement Analysis

Laban Movement Analysis (LMA) is an approach for describing movements using four main descriptors: Body: which body parts move Space: how much space is being taken up by the movement Effort: the ...
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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 ...
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 ...
3
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1answer
585 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 ...
7
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2answers
877 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 ...
4
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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?
7
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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 ...
3
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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 ...
4
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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. ...
3
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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?
7
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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
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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 ...
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2answers
100 views

Where is motor skill function located within the brain?

Does the neural activity that correlates with motor skill function tend to be focused near or far from the outer surface of the brain, or both? And what about perception? My deeper curiosity being: I'...
7
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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 ...
6
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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 ...
9
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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 ...
2
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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 ...
7
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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)....
3
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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?
5
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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 ...
2
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0answers
35 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 ...
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1answer
54 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, ...
8
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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 ...
3
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0answers
457 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
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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 ...