W Tanner thinks that if a neuron has an electrical charge that is half of what is necessary to activate, then the neuron will have an impulse that is half as strong as normal. After learning about neurons, you tell Tanner that: Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. He is correct, the impulse would be half as strong as normal. b He is incorrect, the neural impulse would travel half as fast, but have the same strength. He is incorrect, the neuron would not fire. d He is incorrect, the impulse would stay the same.
Tanner has put forth a hypothesis that if a neuron has an electrical charge that is only half of what is necessary to activate, then the resulting neural impulse will be half as strong as normal. In response to Tanner’s hypothesis, this essay aims to provide clarification and determine whether his assertion is correct or incorrect based on our understanding of neurons.
To evaluate Tanner’s hypothesis, we need to consider how the electrical charge within a neuron influences the strength of the resulting neural impulse. The electrical charge within a neuron, known as the membrane potential, plays a crucial role in determining whether an impulse will be generated.
Tanner’s assertion that the impulse would be half as strong as normal is incorrect. The strength of a neural impulse, or action potential, is not directly proportional to the electrical charge that initiates it. Instead, once the electrical charge reaches the threshold level required for activation, the resulting impulse is an all-or-nothing event, meaning it is of a consistent strength regardless of the initial charge.
When a neuron is depolarized and reaches the threshold level, an action potential is triggered. This action potential propagates down the length of the neuron’s axon, maintaining a consistent strength and speed throughout its transmission. The amplitude and duration of the impulse remain relatively constant regardless of the magnitude of the initiating electrical charge.
In response to Tanner’s hypothesis, it can be concluded that his assertion that the neural impulse would be half as strong as normal is incorrect. Once the electrical charge within a neuron reaches the threshold level required for activation, the resulting impulse maintains a consistent strength throughout its transmission. The strength of the impulse is not directly proportional to the initial electrical charge but rather represents an all-or-nothing response. Understanding this aspect of neural functioning helps to clarify the relationship between electrical charge and impulse strength, contributing to our knowledge of the intricate mechanisms underlying neural communication.
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