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What reflexes result from the stimulation of sensory receptors in the skin?
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What is a innate reflex?
Innate reflexes are reflexes that result from the connections of neurons during their development.
How are sensory receptors like transducers?
A transducer is device for converting a non-electrical signal into an elct one. The result is action potential Example: conversion of light energy into electrical signals in the retina of the eye
Are reflexes mediated via the central nervous system or the peripheral nervous system or both?
Usually when we talk about reflexes -we are referring to two things: primary sensory processing (peripheral nervous system) followed by a motor response (central nervous system). These types of reflexes do not require higher-order cognitive function to occur - but the brain is made aware of what is going on, presumably so that we learn to avoid the harmful stimulus in the future. For example, the accidental placement of a hand on a hot surface would usually result in an immediate withdrawal reflex. What's happening here is that pain receptors in the skin - in this case 'nociceptors' activated by thermal stimuli - send impulses to neurons in the spinal cord (the spinal cord is part of the central nervous system) that share circuits with neurons that control muscle contractions. These in turn fire, resulting in an immediate flexion (movement toward the body) of the affected limb.
Are pain receptors slow or fast adapting receptors?
Pain receptors, also known as nociceptors, are primarily slow-adapting receptors. This means that they continue to send signals for an extended period of time in response to a painful stimulus. They are designed to detect potential threat or damage to the body and provide a persistent awareness of pain.
What is the organisms actions as a result of sensory neural and hormonal factors in response to changes in the external or internal conditions?
Stimulus
Reflexes that result from practice or repetition are known as?
Reflexes that result from practice or repetition are known as conditioned reflexes. These are learned responses to a specific stimulus that have been acquired through experience or training.
What is a innate reflex?
Innate reflexes are reflexes that result from the connections of neurons during their development.
How are sensory receptors like transducers?
A transducer is device for converting a non-electrical signal into an elct one. The result is action potential Example: conversion of light energy into electrical signals in the retina of the eye
Why does repetitive nerve stimulation result in decreased amplitude of the muscle contraction?
The destruction of ACh receptors makes skeletal muscle less responsive to nerve stimulation and more likely to prematurely fatigue. With fewer ACh receptors available to bind to ACh, the skeletal muscle cell membrane potentials have a more difficult time reaching the threshold potential and initiating contraction. Thus, the normal degree of fatigue noted during repetitive nerve stimulation is exacerbated in an individual with myasthenia gravis.
Is salivation a result of parasympathetic stimulation?
no
Are reflexes a result of nature or nurture?
Reflexes are primarily a result of nature, as they are automatic and unconscious responses to stimuli that are hardwired in the nervous system. While reflexes can be influenced by experience and learning to some extent (nurture), their basic patterns are innate and present from birth.
Which is not a result of parasympathetic stimulation?
dilation of the pupils
What is the difference between congenital and acquired sensory loss?
congenital sensory loss is when the person has the sensory loss from birth where as acquired sensory loss is when the sensory loss has developed as is the result result of ageing, serious injury or illness.
Stimulation of a cat's amygdala is most likely to result in?
increased aggression
Are reflexes mediated via the central nervous system or the peripheral nervous system or both?
Usually when we talk about reflexes -we are referring to two things: primary sensory processing (peripheral nervous system) followed by a motor response (central nervous system). These types of reflexes do not require higher-order cognitive function to occur - but the brain is made aware of what is going on, presumably so that we learn to avoid the harmful stimulus in the future. For example, the accidental placement of a hand on a hot surface would usually result in an immediate withdrawal reflex. What's happening here is that pain receptors in the skin - in this case 'nociceptors' activated by thermal stimuli - send impulses to neurons in the spinal cord (the spinal cord is part of the central nervous system) that share circuits with neurons that control muscle contractions. These in turn fire, resulting in an immediate flexion (movement toward the body) of the affected limb.
What is defined as the result of external stimuli on sensory organ and the transmission of that information to the brain?
sensation
Are pain receptors slow or fast adapting receptors?
Pain receptors, also known as nociceptors, are primarily slow-adapting receptors. This means that they continue to send signals for an extended period of time in response to a painful stimulus. They are designed to detect potential threat or damage to the body and provide a persistent awareness of pain.
