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

13. The Peripheral Nervous System

Introduction to Sensory Receptors

Anatomy & Physiology

13. The Peripheral Nervous System

Introduction to Sensory Receptors

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Multiple Choice

What is responsible for sharpening contrast at visual borders?

Retinal convergence

Lateral inhibition

Optic chiasm

Photoreceptor adaptation

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Verified step by step guidance

Begin by understanding the concept of visual processing in the retina. The retina is responsible for converting light into neural signals, which are then processed by the brain to form visual images.

Learn about the role of lateral inhibition in the retina. Lateral inhibition is a process that enhances the contrast at visual borders by inhibiting the activity of neighboring neurons. This helps in distinguishing edges and fine details in the visual field.

Explore how lateral inhibition works. When a photoreceptor is stimulated by light, it activates the surrounding horizontal cells, which then inhibit the activity of adjacent photoreceptors. This inhibition creates a sharper contrast between areas of light and dark.

Understand the importance of lateral inhibition in visual perception. It allows the visual system to detect edges and contours more effectively, contributing to clearer and more defined images.

Consider other processes mentioned, such as retinal convergence, optic chiasm, and photoreceptor adaptation, and understand their roles in visual processing. However, lateral inhibition is specifically responsible for sharpening contrast at visual borders.