Question

19 multiple choice 1 point
which of the following is the best example of neuroplasticity?
a persons ability to recall childhood memories.
a persons ability to memorize a phone number.
a musicians brain changing in response to practice.
a childs ability to grasp a toy.

20 multiple choice 1 point
which part of a neuron receives messages from other neurons?
axon
dendrite
axon terminals
soma

Explanation:

Define neuroplasticity

Neuroplasticity is the brain's ability to reorganize itself by forming new neural connections throughout life, allowing it to adjust in response to learning, experience, or injury.

Analyze Question 19 options

• Option 1: Recalling memories is a retrieval process, not a structural or functional change in the brain.
• Option 2: Memorizing a phone number is short-term working memory.
• Option 3: A musician's brain physically and functionally changing due to years of practice is a classic, clear demonstration of neuroplasticity.
• Option 4: Grasping a toy is a motor milestone, not primarily used to define neuroplasticity.

Identify neuron parts

Neurons have distinct structures: dendrites receive incoming signals, the soma (cell body) processes them, the axon transmits the electrical signal, and axon terminals release neurotransmitters to pass the message along.

Analyze Question 20 options

• axon: Transmits messages away from the cell body.
• dendrite: Receives incoming chemical messages from other neurons.
• axon terminals: Release neurotransmitters into the synapse.
• soma: Integrates incoming signals and maintains the cell.

Answer:

Question 19

• A person's ability to recall childhood memories.
• A person's ability to memorize a phone number.
• A musician's brain changing in response to practice. (Correct answer)
• A child's ability to grasp a toy.

Question 20

• axon
• dendrite (Correct answer)
• axon terminals
• soma