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📚 Topic Summary
Brain plasticity refers to the brain's ability to change and adapt throughout life. Two key types of plasticity are experience-expectant and activity-dependent. Experience-expectant plasticity involves brain development that relies on specific experiences that are common to all members of a species, like seeing light or hearing sounds. These experiences are 'expected' by the brain and essential for normal development. If these experiences don't occur, the brain may not develop properly.
On the other hand, activity-dependent plasticity refers to changes in the brain that occur as a result of an individual's unique experiences and learning. These changes are not predetermined but are shaped by the specific activities a person engages in. This type of plasticity continues throughout life, allowing us to learn new skills and adapt to changing environments.
🧠 Part A: Vocabulary
Match the terms with their correct definitions:
| Term | Definition |
|---|---|
| 1. Experience-Expectant Plasticity | A. Brain changes due to unique individual activities |
| 2. Activity-Dependent Plasticity | B. Sensitive period where specific experiences shape development |
| 3. Sensitive Period | C. Brain's ability to change and adapt |
| 4. Brain Plasticity | D. Expected experiences for normal brain development |
| 5. Synaptic Pruning | E. Elimination of unused neural connections |
Answer Key:
- 1-D
- 2-A
- 3-B
- 4-C
- 5-E
✍️ Part B: Fill in the Blanks
Complete the following paragraph using the words provided: Activity-dependent, Experience-expectant, environment, plasticity, development
__________ is the brain's ability to change. __________ plasticity relies on common experiences for normal __________. In contrast, __________ plasticity is shaped by an individual's __________ and activities.
Answer Key:
- Plasticity
- Experience-expectant
- Development
- Activity-dependent
- Environment
🤔 Part C: Critical Thinking
Provide a real-world example of how activity-dependent plasticity has impacted your own life or the life of someone you know.
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