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Innate and learned behaviour - PowerPoint PPT Presentation


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Innate and learned behaviour. Ms. TRS. Innate vs. Learned Behavior. Innate behaviour in invertebrates. Taxis and kinesis are two terms used to describe innate motor behaviors in invertebrate species. Some Examples of Types of Learning.

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Presentation Transcript
innate behaviour in invertebrates
Innate behaviour in invertebrates
  • Taxis and kinesis are two terms used to describe innate motor behaviors in invertebrate species.
some examples of types of learning
Some Examples of Types of Learning
  • Imprinting :Young ones become attached to their mother. Helps in survival because the young ones staying close to their mother get protection and food.
  • Example: duckings following their mother
  • Imitation
  • Development of “templates” for behavior*
    • Inherited or innate skill sets that are developed with exposure to target response
      • e.g. birdsong
  • Conditioned responses
    • Classical Conditioning*
    • Operant Conditioning
classical conditioning
Classical Conditioning
  • IB Objective: Outline Pavlov’s experiments into conditioning of dogs. (E.3.5)
classical conditioning definitions
Classical Conditioning:Definitions

Unconditioned Stimulus (UCS): a stimulus that has the ability to produce a specified response before conditioning begins.

(FOOD)

Unconditioned Response (UCR): response produced by the UCS.

(SALIVATION PRODUCED BY FOOD)

Conditioned Stimulus (CS): an initially neutral stimulus that comes to produce a new response because it is associated with the UCS.

(BELL)

Conditioned Response (CR): the response produced by the CS.

(SALIVATION IN RESPONSE TO BELL)

classical conditioning1
Classical Conditioning

Ivan

Pavlov

Conditioning Trial:

Salivation

Test Trial:

Salivation

other types of learning
Other types of learning…
  • IB Objective: Outline the role of inheritance and learning in the development of birdsong in young birds. (E.3.6)
birdsong
Birdsong
  • Birds have species-specific sounds that are inherited. However, there is also a component of learning to the song that a bird will produce as an adult.
    • If a male bird is kept in isolation in a laboratory, he will produce a very crude (but species-specific) song, according to an inherited template.
    • Furthermore, if deafened, the song will be even more crude.
practice questions
Practice Questions
  • Distinguish between learned and innate behaviours.
  • Describe the design of an experiment which measures either taxis or kinesis of an invertebrate animal.