What is Sensation???????????
 
The careful or cognitive process created by activating a sense unit, sensory nerve or sensory part in the brain is called sensation. It is physiological procedure through which sensory organs skin, nose, tongue, noses and ears responds to external stimuli. The procedure of understanding our surroundings through smell, sound, vision, taste and touch is called sensation. Here we have five senses.

We get stimuli through sensory organs from surroundings. Sensory receptors get activated and send this information to brain. It is called sensation. Physical stimuli with physical features are registered by sensory organs in sensation. There is biological or physical features in process of sensation. There are several sensory losses which get due to defective sensation procedure. It may be due to nerve damage, cerebral disability and defective receptors.  This makes sensation process not working properly. It creates barriers in obtaining correct stimuli from sensory organs.
Factors influencing sensation:-

1.Stimuli:-
Stimulus is an object or incidents that forces to create distinct functional responses in body unit or tissues. Stimulus is any catalysts existing at body externally or internally which influences internal body organs and directs its senses.
(a).Internal Stimuli:-
Internal stimulus exists in the body internally like muscles produces heat, digestive systems absorb nutrition and glands produce different hormones.
(b).External Stimuli:-
External stimuli exists in body externally like ears for listening, eyes for looking, skin for touching, nose for smelling and tongue for tasting.
Individual acquires information available at surroundings through senses unit which influences on internal and external stimuli. Through which, individual gets order either to perform specific behavior or not at specific situation.

2.Receptors:-
Receptors are chemical arrangements formed of protein that acquire and translates signals that may useful to biological systems. Receptors are related with sensory units. Receptors transform the information available at surroundings to neurological incidents. People utilize various receptors. Touching receptors contain the tissues of skin, tasting receptors utilizes taste buds of mouth, seeing receptors contain rods and cones situated in the retina, hearing receptors contain hearing cell situated in the ear, smelling receptor utilizes nasal passage situated in nose.

3.Central Nervous System:-
Central nervous system is combination of both the brain and spinal cord. It controls and directs thought, movements, emotions and other activities etc. The main brain uses most sensory information to coordinate activities of body both consciously and unconsciously. The spinal cord links the main receptors and the brain. It helps to regulate signals between the brain and body.


Sensation Vs Perception:-

Differences between Sensation and Perception

Basis

Perception Sensation

Perception

Process

Normal biological process

Complex psychological process

Meaning

 

Sensation does not provide any meaning to external stimuli.

It provides meaning to external stimuli.

Source

Stimuli received from senses
Organs.

Information given by sensation to brain.

Results

In perception

Change in action or attitudes.

Meaning

Only awareness no meaning

Meaningful

Main role

Sense Organs

Brains

Transmission

By receptors process

By symbolic process

Form

Abstract process

Concrete process

Past experience

Is not involved

Is involved

Knowledge

It awareness about immediate knowledge.

It is explaining and interpreting immediate knowledge.

Activeness

Individual is inactive in sensation up to some extent.

 Individual is more active in perception.

Nature of Data

Provides raw data.

Provides complete meaning.

Example

Smelling something from the goblet is sensation.

Finding it is smell of bear is perception.

Step

First step of knowledge process

Second step of knowledge process

Frequently Asked Questions

What is Sensation?Elaborate it.
What is the meaning of sensation? Elaborate it.
What are the factors influencing Sensation?
Explain differences between Sensation and perception.
How does sensation differ from perception.