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The purpose of this investigation is to test my reaction times during these three experiments and to determine if the reaction (response) is a reflex action or a conscious action.  

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9-12-02 Pratik Pawar 10 Q Reaction Times Plan: - I am planning to investigate about the reaction times on the swiftness of the thumb, starting and stopping a stopwatch. The speed of my hand, catching a 1m ruler falling and a braking reaction. The purpose of this investigation is to test my reaction times during these three experiments and to determine if the reaction (response) is a reflex action or a conscious action. A Reflex action happens automatically. This type of response does not have to be learned - e.g. we blink when an object comes close to the eye unexpectedly, and the size of the pupil changes according to the amount of light entering it. The advantage of reflex actions is that they happen very fast. In a simple reflex action, the nerve impulses pass from a receptor along a sensory neurone to a relay or connecting neurone in the central...

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