When Do a Loss of "Computational Power" and the Appearance

question 69

Multiple Choice

When do a loss of "computational power" and the appearance of symptoms of old age typically occur?

• A) when synaptic plasticity is at its peak
• B) when significant dendritic interconnectivity is lost
• C) when neuron loss reaches the peak of 25 000 eliminated neurons per day
• D) when unused or redundant neural pathways are pruned

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Definitions:

Agar

Agar is a gelatinous substance derived from red algae that is used as a growth medium in microbiological work, as well as a thickener in food products.

Red Algae

Marine photosynthetic protists with a notable abundance of phycobilin pigments; includes coralline algae of coral reefs.

Protozoans

Diverse group of unicellular eukaryotic organisms, often considered as "animal-like" protists, that inhabit water or soil.

Heterotrophic

Heterotrophic organisms are those that obtain their food and energy by consuming other organisms or organic matter because they cannot synthesize their own food.