Development And Aging Timeline Pltw | Answer Key _top_

Over 1 million connections formed per second.

This region, responsible for complex decision-making and planning, is not fully "online" until the mid-20s, which is why risk-taking is higher in the Teen stage. Physiological Decline in Senior Adults development and aging timeline pltw answer key

Brain atrophy (shrinkage) occurs; neuron loss and slowed communication; increased risk of neurodegenerative diseases like Alzheimer's. Core Concepts Explored in Activity 2.1.1 Over 1 million connections formed per second

Reaches approximately 90% of adult size by age 5. responsible for complex decision-making and planning

This is the biological process where the brain removes extra neurons and synaptic connections to increase the efficiency of transmissions. It is most active during infancy and again during the teenage years.