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Stimulus and Response Theory - Lecture Slides, Slides of Psychology

Stimulus and response theory in identify and classify stimuli as internal and define response and idenify behvior.

Typology: Slides

2021/2022

Uploaded on 03/31/2022

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Stimulus and Response
Why animals and plants do what they do
OR
A fancy way of saying cause and effect in
the animal world.
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Stimulus and Response

Why animals and plants do what they do

OR

A fancy way of saying cause and effect in

the animal world.

Catalyst

  1. Describe a situation in which you were immediately scared and/or reacted quickly to something. Write at least 1 paragraph with 4 sentences describing your experience.
  2. Take out your journals and your colors.

What is a stimulus?

Stimulus: any change in an organism’s environment that causes the organism to react. It is a fancy way of saying “cause”.

Stimulus – singular Stimuli – plural

Example: An animal is cold so it moves into the sun.

(Add this word to your journal)

What is a response?

Response: how the organism reacts

to a stimulus and results in a change in behavior. (It is a fancy way of saying “effect”.)

Example: Getting a drink when you are thirsty.

(Add this word to your journal)

Plants also respond to their

environment. When a plant grows

towards the sun we call this

phototropism.

Think – Pair - Share

Turn to your partner and

share two other stimuli

and their responses.

External Stimulus

External stimulus: a stimulus that comes from outside an organism.

Examples:

  1. You feel cold so you put on a jacket.
  2. A snake lunges at a rabbit so it runs away.
  3. A dog feels hot so it goes to lay in the shade.

Add this word to your journal.

Internal Stimulus

Internal stimulus: a stimulus that

comes from inside an organism.

Examples:

  1. You feel hungry so you eat some food.
  2. A cat feels thirsty so it drinks water.
  3. A dog feels hot so it goes to lay in the shade.

Add this word to your journal.

Animals can respond to stimuli in

two ways:

  1. In a way that they learned. We call this

learned behavior.

OR

  1. In a way that they were just born

knowing how to do. We call this instinct.

Learned behavior: a

response to a stimulus

that an animal was

taught.

Add this word to your journal

Teaching an animal a trick

Training a dog

Instinct: an animal’s natural

reaction to a stimulus. It is an automatic reaction that the animal was not taught to do.

Add this word to your journal

Animals natural instinct is to run

away from danger. We call this the

need for safety.