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25 Cards in this Set
- Front
- Back
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Stimulus
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A change in the internal or external environment that is deteced by a receptor and causes a response.
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Response
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Change in an organism as a result of a stimulus.
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Reflex
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A rapid and unconscious response to a stimulus.
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Receptor
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-Specialised cell or nerve ending
-detects specidic stimulus -detects internal and external stimuli |
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Sensory neurone
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-Carries nerve impulse from receptor to CNS
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Relay Neurone
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-Carries nerve impulses from sensory neurone to motor neurone
-links up with other relay neurones to carry information upand down spinal cord, e.g. to the memory centres of the brain |
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Motor Neurone
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Carries nerve impulses from CNS to the effector
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Synapes
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-Connect neurones together
-Control how the information is passed rfom one neurone to the next -Uses chemicals called neurotransmitters |
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Effector
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Carries out a response to the stimulus
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Mechanoreceptors
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Stretch receptors in muscles are used to position muscles co-ordinated movements.
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Chemoreceptors
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Taste and smell receptors on tougue and in the nose.
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Thermoreceptors
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Hypothalamus measures temperature of blood for temperature homeostasis
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Photoreceptors
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Rods and cones in retina
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Innate behaviour
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Behaviour that normally occurs in all members of a species despite natural variation in environmental influences
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Learned Behaviour
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Behaviour developed as a result of experience, either from personal trial and error, or learned from another individual.
There are several types of learned behaviour. Classical conditioning is one. |
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Relay Neurone
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-Carries nerve impulses from sensory neurone to motor neurone
-links up with other relay neurones to carry information upand down spinal cord, e.g. to the memory centres of the brain |
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Motor Neurone
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Carries nerve impulses from CNS to the effector
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Synapes
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-Connect neurones together
-Control how the information is passed rfom one neurone to the next -Uses chemicals called neurotransmitters |
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Effector
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Carries out a response to the stimulus
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Mechanoreceptors
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Stretch receptors in muscles are used to position muscles co-ordinated movements.
|
|
|
Chemoreceptors
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Taste and smell receptors on tougue and in the nose.
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|
|
Thermoreceptors
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Hypothalamus measures temperature of blood for temperature homeostasis
|
|
|
Photoreceptors
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Rods and cones in retina
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|
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Innate behaviour
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Behaviour that normally occurs in all members of a species despite natural variation in environmental influences
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Learned Behaviour
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Behaviour developed as a result of experience, either from personal trial and error, or learned from another individual.
There are several types of learned behaviour. Classical conditioning is one. |
