How does the size of various parts of the primary somatosensory cortex relate to touch sensitivity and to receptive field size?

Q: Receptor A has a circular receptive field on the skin with a diameter of 2.5 cm. Receptor B has a…

A: Introduction: The sensory receptors monitor the external and internal stimuli. Every sensory…

Q: What is the action of Parasympatheticdivision (calming) on eyes after a crisis passes?

A: The parasympathetic nervous system is a part of the autonomic nervous system. The parasympathetic…

Q: The phenomenon of “blindsight” is the ability perform reflexive visual movements such as avoiding…

A: When the light reaches our eyes, it is first focused mainly on the retinal cells. These cells are…

Q: What is the receptive field?

A: The neuron is formed of dendrites and axon. The dendrites are projection-like structures that…

Q: Describe the physiology of the somatosensory system in relation to the skin and how this enables the…

A: The somatosensory system is in charge of how touch, warmth, pressure, and pain are perceived. It is…

Q: How do the spinothalamic tract and reticulospinal tract differ in their roles in the perception of…

A: The spinothalamic tract is the pathway of nerves that arise in the spine and end in the thalamus. It…

Q: Cortical impairment of specific areas of visual integration can lead to deficient object…

A: Introduction: Cortical impairment means dysfunction in the cerebral cortex, which is the outermost…

Q: We discussed three principles with regards to the sensory cortex (mechanisms of perception), with…

A: Somatosensory system is a division of sensory nervous system. It has neural pathways and sensory…

Q: How do unencapsulated receptors differ from encapsulatedreceptors?

A: Introduction: The nerve's dendritic part that gets stimulated with the induction of stimulus like…

Q: Given that receptive fields for touch do not exhibit uniform sensitivity across their whole extent,…

A: Different regions of the body have conscious areas of distinct sizes,  in two-point discrimination.…

Q: How do neuropeptides help control pain?

A: Sense is a feeling our body feels when external stimuli hits our body and our body responses. The…

Q: How is The vestibular sense important in nursing practice?

A: The vestibular sense, also called the sense of balance, is crucial in nursing practice as it has a…

Q: Describe the pathway of olfaction from the reception of an odorant molecule by the nose to the…

A: The pathway of olfaction begins with the reception of odorant molecules by the olfactory receptors…

Q: What parts of the brain interpret pain impulses?

A: Somatic sensory neurons conduct signals originated in the skin, skeletal muscles. Visceral sensory…

Q: Describe the transient phenomenon of referred pain?

A: Pain is a feeling of distress that is caused by the damaging or intense stimuli. The perception of…

Q: Which body parts have the largest representation in the primary somatosensory area?

A: Areas of this a part of the human brain map to bound areas of the body, obsessed on the quantity or…

Q: Describe the types of pain and its projection pathways?

A: Pain is an unpleasant sensory and emotional experience caused by actual or potential tissue damage…

Q: Compare and contrast somatosensation and pain pathways.

A: In our body, there are a great deal of receptors that initiate the overall activity of the body.…

Q: Describe the process of retinal transduction. How are visual cues perceived at the cellular level?

A: Retina refers to the tissue layer present at the back of the inside of the eye. It contains rod…

Q: What sensory pathway (tract) transmits pain sensation to the brain? Does anesthesia eliminate the…

A: Sensory pathways refer to the neural pathways by which sensory information from the peripheral…

Q: To what extent is speech production and perception found to correspond to specific cortical loci in…

A: Speech perception and development are the processes by which people process basic linguistic units…

Q: adaptation of touch and temperature receptors

A: All the sights, sounds, odors, tastes, touch, and alternative stimuli that we have a tendency to…

Q: Touch Receptor Density: 1. Record the minimum 2-point distance required to discriminate 2 pins: (a)…

A: Somatosensory receptors are important for us because they allow us to detect and respond to a…

Q: Why is pain considered an subjective sensory experience and not an objective sensory experience?

A: Pain is considered as a subjective experience as it cannot be measured in any strict sense.

Q: Precise localization of a somatosensory stimulus is improved by: Increasing frequency coding O…

A: The somatosensory system, which is made up of neurons and receptors, is a part of the sensory…

Q: How do acute pain and chronic pain differ?

A: Uncomfortable sensations in the body are described by a general term known as pain. The nervous…

Q: Why can tactile stimulus be localized in parts of our body better than other parts?

A: Our body has different sense organs like eyes for vision, ears for hearing, nose for smell, tongue…

Q: How are touch and pain processed by the cerebral cortex?

A: The nerve impulse is an electrical signal that travels along the neuron. The charged particles flow…

Q: What is sensory discrimination? What is a justnoticeable difference (j.n.d.)?

A: The stimulus enables a customer to react to a certain marketing stimulus. Change is one of the…

Q: Identify, in correct order, of sensation to perception, the major connections of the pathway…

A: Sensory receptors present in the skin help to sense the changes. They then pass this stimulus to the…

Q: Which of the following accurately depicts the neural pathway taken in the sense of olfaction?…

A: Olfaction refers to the sense of smell. Olfactory pathway constitutes olfactory cells , olfactory…

Q: Explain the biological process of pain and how pain is perceived.

A: The neural system consists of specialized cells called neurons. The neurons collect information from…

Q: Which receptors fire at the onset and the offset of stimulation? Select all that apply. Select one…

A: Onset of stimulation determines the time between the start of one stimulus and the start of another…

Q: After an experiment on the somatic senses: superficial sensory modalities, Trace the pathways for…

A: There are two types of senses i.e,General senses and special senses. General senses include…