Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

12. The Central Nervous System

Introduction to the Central Nervous System

Anatomy & Physiology

12. The Central Nervous System

Introduction to the Central Nervous System

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Problem 10

Textbook Question

The synapsing of several neurons on the same postsynaptic neuron is called
(a) Serial processing
(b) Reverberation
(c) Divergence
(d) Convergence

Verified step by step guidance

Step 1: Begin by understanding the key terms in the question. 'Synapsing' refers to the connection or communication between neurons, where one neuron sends signals to another. A 'postsynaptic neuron' is the neuron that receives the signal.

Step 2: Review the concept of 'convergence' in neural communication. Convergence occurs when multiple presynaptic neurons synapse onto a single postsynaptic neuron, allowing the integration of signals from various sources.

Step 3: Compare 'convergence' with the other options provided: (a) Serial processing refers to a sequential flow of information through a chain of neurons, (b) Reverberation involves a feedback loop where signals are continuously sent back to earlier neurons, and (c) Divergence refers to one neuron synapsing onto multiple postsynaptic neurons.

Step 4: Eliminate the options that do not match the description of multiple neurons synapsing onto a single postsynaptic neuron. Serial processing, reverberation, and divergence do not fit this definition.

Step 5: Conclude that the correct term for the synapsing of several neurons on the same postsynaptic neuron is 'convergence,' based on the definition and comparison with other options.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Convergence

Convergence refers to the process where multiple presynaptic neurons synapse onto a single postsynaptic neuron. This allows for the integration of signals from various sources, enabling the postsynaptic neuron to process and respond to a combination of inputs. It is crucial in neural circuits for functions such as sensory processing and motor control.

Serial Processing

Serial processing is a method where information is processed in a linear sequence, one step at a time. In contrast to convergence, it involves a single pathway where each neuron processes information before passing it to the next. This type of processing is often seen in simpler reflex arcs and certain cognitive tasks.

Divergence

Divergence occurs when a single presynaptic neuron synapses onto multiple postsynaptic neurons. This allows a single signal to be distributed to various parts of the nervous system, amplifying the response and facilitating widespread communication. Divergence is essential for coordinating complex responses and integrating information across different neural pathways.