C6-C8 BRAIN

What is the average brain-weight of a newborn human baby?

• 200 grams

• 500 grams

• 370 grams

• 600 grams

What process occurs in the brain during the first three months of life that leads to an increase in brain volume?

• Apoptosis

• Proliferation of neurons

• Myelination

• Synaptic pruning

What is the term used to describe the process of reducing the number of synapses in the brain during early childhood?

• Axon development

• Synaptic growth

• Synaptic pruning

• Neurogenesis

During critical periods of development, how are neural circuits in the brain affected?

• They are fully developed

• They are not influenced by genes

• They are shaped by experiences

• They remain static

What is the process called when stronger connections between neurons outcompete weaker ones in the teenage brain?

• Competitive elimination

• Neurogenesis

• Synaptic pruning

• Synaptic growth

Which brain region is the fastest-growing in a newborn baby?

• Frontal lobe

• Temporal lobe

• Cerebellum

• Occipital lobe

What is the term used to describe the wrapping of axons by extensions of glia to increase the speed of signal transmission?

• Neurogenesis

• Myelination

• Apoptosis

• Synaptic pruning

What is the main advantage of human brains developing extensively after birth?

• They have fewer neurons

• They are more easily shaped by experience

• They are fully developed at birth

• They are less influenced by environment

What is the corpus callosum responsible for?

• Controlling motor functions

• Regulating emotions

• Connecting the brain's right and left cerebral hemispheres

• Processing visual information

Which brain region is important for executive functioning?

• Frontal lobe

• Occipital lobe

• Temporal lobe

• Parietal lobe