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

The Cerebrum

Anatomy & Physiology

12. The Central Nervous System

The Cerebrum

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3:42 minutes

Problem 8

Textbook Question

a. What is the function of the basal nuclei?
b. Which basal nuclei form the striatum?
c. Which arches over the diencephalon?

Verified step by step guidance

Step 1: Understand the function of the basal nuclei. The basal nuclei (also called basal ganglia) are a group of subcortical structures in the brain that play a key role in motor control, regulating voluntary movements, and procedural learning. They help refine motor commands initiated by the cerebral cortex and suppress unwanted movements.

Step 2: Identify the basal nuclei that form the striatum. The striatum is composed of two major structures: the caudate nucleus and the putamen. These structures are part of the basal nuclei and are involved in motor control and cognitive functions.

Step 3: Determine which basal nucleus arches over the diencephalon. The caudate nucleus is the basal nucleus that arches over the diencephalon. It has a C-shaped structure and is closely associated with the lateral ventricles.

Step 4: Relate the anatomical positioning of the basal nuclei to their functions. The basal nuclei are located deep within the cerebral hemispheres, and their connections with the thalamus and cerebral cortex allow them to modulate motor and cognitive processes effectively.

Step 5: Summarize the relationships between the basal nuclei, striatum, and diencephalon. The basal nuclei work together to regulate motor functions, with the striatum (caudate nucleus and putamen) playing a central role. The caudate nucleus arches over the diencephalon, highlighting its anatomical significance in the brain's structure.

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Key Concepts

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

Basal Nuclei Function

The basal nuclei, also known as basal ganglia, are a group of nuclei in the brain that play a crucial role in coordinating movement, regulating voluntary motor control, and influencing various cognitive functions. They help in the initiation and smooth execution of movements, as well as in the learning of motor skills and habits.

Components of the Striatum

The striatum is a major component of the basal nuclei and is primarily composed of two structures: the caudate nucleus and the putamen. These structures work together to process information related to movement and reward, and they receive input from various areas of the brain, including the cortex and thalamus.

Arching Over the Diencephalon

The term 'arches over the diencephalon' typically refers to the structure of the thalamus, which is part of the diencephalon itself. The thalamus acts as a relay station for sensory and motor signals to the cerebral cortex and is involved in regulating consciousness, sleep, and alertness, thus playing a vital role in integrating sensory information.

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Related Practice

Multiple Choice

In which of the lobes of the cerebrum is the somatosensory cortex located?

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Multiple Choice

Which lobes of the cerebral cortex are most directly involved in vision?

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Multiple Choice

Which of the following is considered the deep lobe of the cerebrum?

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Textbook Question

Fiber tracts that allow neurons within the same cerebral hemisphere to communicate are:

a. Association fibers

b. Commissures

c. Projection fibers

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Multiple Choice

The brain is divided into two cerebral hemispheres by the ________________.

The occipital lobe is found at the ________ of the brain, while the parietal lobe is found at the ________.

A spinal reflex is a rapid, involuntary response to a stimulus. Tala has an issue with motor areas of her brain. Will her spinal reflexes still function?

Which of the following body parts would you expect to have the greatest size difference between its area on the motor homunculus and its area on the sensory homunculus?