Shown attached are the recordings from one cell in the Swimmy CPG circuit. The first recording is under control conditions, when the fish is swimming normally. The second recording is of the same neuron when every other cell in the CPG is hyperpolarized and not firing. The large black bars have been placed at the first spike in the control condition. Which of the following can you conclude about this cell from the data shown below? Make sure to choose the most complete answer. a. This cell is tonically active. b. This cell is an endogenous burster cell c. This cell is an endogenous burster cell that is normally acted on by at least one inhibitory synapse.
Anatomy and Physiology of Special Sensory Organs
Sensory organs can be labeled as special sensory structures that permit sight, hearing, odor, and flavor. Sensory structures permitting proprioception, touch, thermal, and pain perception can be classified as more advanced sensory organs. The sensory neurons are trained to find out modifications in the external and internal conditions so that a person's body can react to that change. A stimulus is the first signal that is recognized by any sensory receptor of the body. Stimulus is an impulse generated when there is a change in the surroundings of a person. For example, a heated environment will alert the brain through the thermal sensory organs and generate a reflex accordingly.
Sensory Receptors
The human sensory system is one of the most complex and highly evolved structures, which processes a myriad of incoming messages. This well-coordinated system helps an organism or individual to respond to external stimuli, appropriately. The sensory receptors are an important part of the sensory system. These receptors are specialized epidermal cells that respond to external environmental stimuli. These receptors consist of structural and support cells that form the peripheral unit of the receptor and the neural dendrites which receive and detect the external stimuli.
Shown attached are the recordings from one cell in the Swimmy CPG circuit. The first recording is under control
conditions, when the fish is swimming normally. The second recording is of the same neuron when every other
cell in the CPG is hyperpolarized and not firing. The large black bars have been placed at the first spike in the
control condition.
Which of the following can you conclude about this cell from the data shown below? Make sure to choose the most complete answer.
a. This cell is tonically active.
b. This cell is an endogenous burster cell
c. This cell is an endogenous burster cell that is normally acted on by at least one inhibitory synapse.
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