Bio

Interneurons

Neurons that connect sensory and motor neurons.

Peripheral Nervous System

Nerves outside the CNS.

Parasympathetic Nervous System

Calms the body after stress.

Endorphin

Pain-relieving neurotransmitter.

Norepinephrine

Neurotransmitter involved in alertness and arousal.

Acetylcholine

Neurotransmitter involved in muscle movement and memory.

Pituitary Gland

The 'master gland' controlling others.

Lesion

Brain tissue damage.

Reticular Formation

Regulates alertness and sleep.

Limbic System

Regulates emotions and memory.

Amygdala

Processes fear and emotions.

Hippocampus

Involved in memory formation.

Glial Cells

Support and protect neurons.

Parietal Lobes

Processes touch and spatial information.

Aphasia

Language impairment.

Plasticity

Brain’s ability to change.

Corpus Callosum

Connects brain hemispheres.

PET (Positron Emission Tomography)

Brain activity scan using glucose.

Brain Grafts

Transplanting brain tissue.

Genes

Units of heredity.