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psycho
| Term | Definition |
|---|---|
| Peripheral nervous system (pns) | Nerves branching beyond the spinal cord into the body. |
| Neurons | The long, thin cells of nerve tissue along which messages travel to and from the brain. |
| Somatic Nervous System (SNS) | The part of the peripheral nervous system that controls voluntary movement of skeletal muscles. |
| Autonomic Nervous System (ANS) | The part of the peripheral nervous system that controls internal biological functions. |
| Hindbrain | A part of the brain located at the rear base of the skull that is involved in the basic processes of life. |
| Midbrain | A small part of the brain above the pons that arouse the brain, integrates sensory information, and relays it upward. |
| Forebrain | A part of the brain that covers the brain's central core, responsible for sensory and motor control and the processing of thinking and language. |
| Lobes | The different regions into which the cerebral cortex is divided. |
| Electroencephalograph (EEG) | A machine used to record the electrical activity of large portions of the brain. |
| Computerized Axial Tomography (CT) | An imaging technique used to study the brain to pinpoint injuries and brain deterioration. |
| Position Emission Tomography (PET) | An imaging technique used to see which brain areas are being activated while performing tasks. |
| Magnetic Resonance Imaging (MRI) | A measuring technique used to study brain structures and activity. |
| Endocrine System | A chemical communication system using hormones, by which messages are sent through the bloodstream. |
| Hormones | Chemical substances that carry messages through the body in the blood. |
| Pituitary Gland | The center of control of the endocrine system that secretes a large number of hormones. |
| spinal cord | nerves that run up and down the length of the back and transmit most messages between the body and brain |
| synapse | the gap that exists between individual nerve cells |
| neurotransmitters | the chemicals released by neurons, which determine the role at which other neurtrons fire |
| central nervous system (CNS) | the brain and spinal cord |