Neuroscience basic
Which statement best describes synaptic plasticity?
Answer
The ability of synapses to strengthen or weaken over time
Explanation
### Why this is right
Synaptic plasticity means that the strength of communication between connected neurons can change with experience. This makes it a neural basis for learning.
### The concept
A synapse is the junction through which one neuron communicates with another. Strengthening or weakening a synapse can alter how readily later activity passes across that junction. Long-term potentiation (LTP) refers to lasting strengthening, while long-term depression (LTD) refers to lasting weakening. These are related but opposite forms of plasticity.
### The other options
- **B. The conversion of pain signals into emotional responses**: Pain and emotion interact, but this is not the definition of synaptic plasticity.
- **C. The storage of all memories in one brain region**: The material describes distinct neural circuits, not one universal storage site.
- **D. The production of fluent speech**: Speech production is associated with Broca's area, not the definition of synaptic plasticity.
### Terms
- **Synapse**: A junction where one neuron communicates with another.
- **LTP**: Long-term potentiation, a lasting increase in synaptic strength.
- **LTD**: Long-term depression, a lasting decrease in synaptic strength.
### Remember
Plasticity describes change in synaptic strength, not a single brain region or behavior.
Related Questions
- Which neurotransmitter is named in the material as contributing to the modulation of synaptic strength and learning?(basic)
- Which example from the material shows emotion influencing learning and memory?(basic)
- Long-term potentiation is a form of synaptic strengthening.(basic)
- Which process describes the strengthening or weakening of synapses over time?(basic)
- Which region is associated with speech production and grammatical structure?(basic)
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