Distinguish among the terms stimulus and sensation, Biology

Assignment Help:

Q. Distinguish among the terms stimulus, sensation, and perception?

A stimulus is an energy source (chemical, light wave, pressure etc.) which activates a receptor cell (specialized nerve cell) to transmit a nerve impulse or sensation. If sensation arrives in conscious part of the brain, cerebral cortex, a perception occurs. Perception is awareness of stimulus. Pricking one's finger, for illustration is a stimulus which activates many receptor cells to send nerve impulses to the brain. Once these sensations reach cerebral cortex, a person perceives (feels) pain


Related Discussions:- Distinguish among the terms stimulus and sensation

Types of organization chart, Types of Organization Chart: There are  t...

Types of Organization Chart: There are  two important  types of organization chart.  a)  Vertical i.e.,  from top to bottom.  b)  Horizontal  i.e., from  left to right.

Cellulose, Cellulose is a polysaccharide which is composed of the unbranch...

Cellulose is a polysaccharide which is composed of the unbranched chains of glucose; the major structural carbohydrate of the plants, insoluble in water, and indigestible in the h

Coelenterata, give outline classification of coelenterata

give outline classification of coelenterata

How molecular biology change forsenic biology, Explain in 100+ words Why/ho...

Explain in 100+ words Why/how did molecular biology change forsenic biology.

The cell membrane or plasma membrane ruptures, What happens when the cell m...

What happens when the cell membrane or plasma membrane ruptures or breaks down? When cell membrane ruptures Ions leek out and if not repaired in time the cell will die. As we k

Define metabolic response to food - requirement of energy, Define Metabolic...

Define Metabolic response to food - Requirement of Energy? Eating requires energy for the ingestion and digestion of food, and for the absorption, transport, inter conversion,

Which the phylum echinodermata is divided, Q. What are the classes into whi...

Q. What are the classes into which the phylum Echinodermata is divided? The five echinoderm classes are: asteroids (starfishes), ophiuroids, crinoids, holothuroids (sea cucumbe

Estimate the frequency of heterozygotes for allel, Phenylketonuria is a sev...

Phenylketonuria is a severe form of mental disability caused by a homozygous recessive allele. The condition affects about 1 in 10,000 neborn Caucasians. Estimate the frequency of

Consider a ph scale while answering, What is the relationship of hydrogen i...

What is the relationship of hydrogen ion concentration in tomato juice relative to lemon juice and to pure water? Be as quantitative as you can (i.e., use numbers to describe the m

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd