| A | B |
|---|
| Cerebral Cortex | The largest part of the brain, which is composed of two hemispheres that are responsible for higher brain function, including thought and language. |
| Critical Period | A limited time in which an event can occur, a time in a child’s early stages of life when the brain is sensitive to environmental stimuli; if a child does not receive the appropriate stimuli, it may be difficult or impossible to develop some functions later in life. |
| Myelineation | A process in which the neurons in the brain become coated with a white substance known as myelin, which facilitates the transmission of sensory information and promotes learning. |
| Morpheme | The smallest unit of meaning in oral language. |
| Neuron | An impulse-conducting cell in the brain. |
| Phoneme | The smallest unit of sound. |
| Synapse | A connection between neurons in the brain. |
