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Loss of Touch Sensation and Its Effects on Individuals

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Loss of Touch Sensation and Its Effects on Individuals

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Questions and Answers

What is the main consequence of losing the ability to feel sensations through the skin?

Better interaction with the surroundings

Improved motor skills

Increased chances of injury (correct)

Enhanced perception of the environment

Experiments with participants who had their hands temporarily anesthetized revealed that they...

Applied more force than necessary when carrying out tasks (correct)

Performed tasks with greater accuracy

Experienced enhanced coordination

Reduced their effort in completing tasks

Ian Waterman's somatosensory system broke down due to...

A genetic mutation affecting his skin cells

An autoimmune reaction that destroyed neurons (correct)

An increase in sensory feedback

A deficiency in vitamin intake

Which component is NOT included in the somatosensory system?

Eyes (C) Signup and view all the answers

What is the role of cutaneous senses in the somatosensory system?

Perceiving sensations from the environment (B) Signup and view all the answers

How did losing the sense of touch affect participants in experiments with temporarily anesthetized hands?

They applied excessive force when performing tasks (B) Signup and view all the answers

What is the function of proprioception?

Sensing the position of the body and limbs (C) Signup and view all the answers

Which type of mechanoreceptor is associated with perceiving tactile slip and controlling grip force?

Meissner corpuscle/RA1 fiber (B) Signup and view all the answers

What is the main function of the Ruffini cylinder?

Perceiving stretching (B) Signup and view all the answers

Where are Merkel receptors located in the skin?

Close to the surface of the skin (B) Signup and view all the answers

Which mechanoreceptor is responsible for perceiving vibration and fine textures?

Pacinian corpuscle (C) Signup and view all the answers

What is the characteristic of RA1 fibers in mechanoreceptors?

They fire only at the beginning or end of a pressure stimulus (A) Signup and view all the answers