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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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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 ...
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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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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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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?
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1answer
35 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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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 ...
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1answer
79 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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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 ...
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59 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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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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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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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 ...
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468 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 ...
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1k 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?
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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 ...
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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. ...
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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?
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1answer
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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 ...
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172 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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90 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'...
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1answer
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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 ...
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1answer
110 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)....
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1answer
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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 ...
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1answer
554 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?
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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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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 ...
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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, ...
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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, ...
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3answers
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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 ...
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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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1answer
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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 ...
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327 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 ...
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1answer
426 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 ...
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2answers
158 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 ...
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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 ...
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1answer
108 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 ...
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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 ...
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1answer
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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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1answer
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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 ...
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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. ...
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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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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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103 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 ...
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1answer
110 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 ...
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1answer
114 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-...
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109 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 ...
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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 ...
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2answers
760 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 ...
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1answer
76 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 ...