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1) For each of the following reflexes, detail what the sensor is, the integrator, and the effector. Also note the neurons involved in the reflex (like alpha motor neuron). a. Myotatic (stretch reflex) b. Autogenic Inhibition (Golgi tendon organ reflex) c. Flexor Reflex

1) For each of the following reflexes, detail what the sensor is, the integrator, and the effector. Also note the neurons involved in the reflex (like alpha motor neuron). a. Myotatic (stretch reflex) b. Autogenic Inhibition (Golgi tendon organ reflex) c. Flexor Reflex

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1) For each of the following reflexes, detail what the sensor is, the integrator, and the effector. Also note the neurons
involved in the reflex (like alpha motor neuron).
a. Myotatic (stretch reflex)
b. Autogenic Inhibition (Golgi tendon organ reflex)
c. Flexor Reflex
 
 
 
 
 
 
 
2) You stimulate an alpha motor neuron and measure the force of contraction in a control muscle from a mouse. You then add Substance X, a newly synthesized product from your organic chemists. You observe that there is a
decreased force of contraction following the same type of motor neuron stimulation.
a. Draw your experimental setup and what force you measure before and after administering Substance X.
Hint: You’ll need to include something to stimulate the muscle and something to measure the force. What
you measure is force upon stimulation (mN, milliNewtons) before and after addition of X.
b. Hypothesize one way that Substance X could be inhibiting muscle contraction. Design an experiment that
includes an electrophysiological component that would definitively show whether your hypothesized
mechanism is correct. This would be at the muscle fiber level. Draw the results of your experiment in the
case that your hypothesis is supported and if it is not supported.
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