The view that elderly people need to remain active in a variety of social spheres is called the activity theory. It is one theory of aging that proposes older people are most happy when they are active and has social interactions. These activities would help these people to not think of the lost life roles after they retire. It assumes a relationship between life satisfaction and activity that is positive.
Answer: Vasco de Gama
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De Gama was the first to reach India by sea, and accomplished this in the late 15th century. He did this by sailing around the south coast of Africa.
Answer:
an area within the visual field wherein the cell will fire if the target appears.
Explanation:
In order to accomplish this, the researcher will need to specify an area within the visual field wherein the cell will fire if the target appears. This is because there are about 100 billion neurons in the human brain and each of them fires at a speed of about 200 times per second, thus making it impossible to define the receptive field of a particular neuron without highlighting a specific area of that neuron and visualizing that specific neuron.
