Answer:
<em>Gradually disappear</em>
Explanation:
Synaptic pruning occurs between early childhood and adulthood, during this process our brain gets rid of extra synapses.
Synapses are structures in brain that allows the neurons to transfer signals to other neurons, during synaptic pruning brain removes the connections in brain which is no longer required. It a way to maintain efficient brain function as we grow old and learn new complex information.
Answer:
The answer is difference threshold.
Explanation:
Also called just-noticeable difference or least perceptible difference, the difference threshold is the degree of a stimulus that must be changed in order to be recognised.
For it to be considered a difference threshold, the difference must be identified at least 50% of the time.
The main reason why people left Italy and traveled to America was poverty brought about by unemployment. The dream of earning enough money to return to Italy and buy lands was a great motivator. The journey of 3,000 miles by ship took almost 3 months. They had to pass through the Ellis Island Immigration Center for mental and physical examinations. After the mental and physical examinations, the migrants were sent to a room where they had to answer 32 questions to establish whether they could enter America. Failure in the examinations would mean separation from their families and deportation back to Italy.
