Reflex nature and behavior

1.

Reflex nature and behavior

2.

Lesson objectives
To explain reflex nature and behavior .

3.

Reflex
Reflexes are autonomic
responses to internal
and external stimuli.

4.

Give me examples
of internal and
external stimuli.

5.

Types of reflexes
1.Conditioned
2.Unconditioned

6.

UNCONDITIONED REFLEXES
UNCONDITIONED REFLEXES
are the automatic unlearned
reaction to the stimuli (inborn
reflexes).
They are not learned
They are same in every person.
Ex: knee jerk reflex, sneezing,
pupil constriction, blinking

7.

CONDITIONED REFLEXES
CONDITIONED REFLEXES are
automatic but learned reactions
to stimuli.
They can be different in different
organisms.
Ex: Pavlov’s dog conditioned
reflexes

8.

The Russian
physiologist
Ivan Pavlov
(1849-1936)
discovered
conditional
reflexes.

9.

10.

Let’s do activity on p.95

11.

Homework
Read p. 96-97
Answer to literacy questions on p 97.
New words