PSYCH Midterm
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| Polygenic | show 🗑
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| show | Determined by the sequencing of chemicals in one’s DNA
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| show | The manner in which genetic code appears as a function of experiences and environmental influences
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| show | Occurs when the 21st pair of chromosomes has an extra, or third, chromosome
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| show | Identical twins from the same fertilized egg
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| Dizygotic twins | show 🗑
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| show | Receive incoming messages from adjourning cells (roots)
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| Axons | show 🗑
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| Terminals | show 🗑
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| show | Fatty substance around axons that facilitate conduction
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| show | Remove dead neurons and waste products from the nervous system and help neurons synchronize messages to be transmitted in waves
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| Depolarized | show 🗑
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| Threshold | show 🗑
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| All-or-none principle | show 🗑
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| show | A period of time when the neuron will not fire; a period of recovery during which positive sodium is not allowed to pass through the neural membrane.
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| Synapse | show 🗑
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| Neurotransmitters | show 🗑
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| show | Site on receiving neuron where specific neurotransmitter fits
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| Reuptake | show 🗑
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| show | Neurotransmitter influences receiving cell; causes it to fire
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| Inhibitory | show 🗑
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| Acetylcholine (ACh) | show 🗑
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| Dopamine | show 🗑
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| show | Produced largely in the brain stem; acts as a neurotransmitter and as a hormone;
Involved in general arousal, learning and memory, and eating; linked to mood disorders
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| Serotonin | show 🗑
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| Gamma-aminobutyric acid (GABA) | show 🗑
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| show | Inhibitory neurotransmitter; endogenous morphine; natural painkiller
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| show | A bundle of axons
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| Central nervous system | show 🗑
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| show | Afferent and efferent neurons, which transmit messages from the brain or spinal cord to muscles and glands
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| show | Afferent and efferent neurons that transmit sights, sounds, smells, temperature, body positions, etc.; Purposeful body movements
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| show | “Automatic” regulates the glands and internal organ muscles: heartbeat, respiration, digestion, dilation of the pupils, etc.
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| Sympathetic division | show 🗑
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| show | Active during processes that replenish reserves of energy
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| Spinal Cord | show 🗑
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| Interneuron | show 🗑
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| show | Non-myelinated neurons; found in brain and spinal cord
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| White matter | show 🗑
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| show | Detects minute amounts of electrical activity in the brain
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| show | Regulates vital functions such as heart rate, blood pressure, and respiration
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| show | Transmits information about body movements and is involved in functions related to attention, sleep/alertness and respiration
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| Cerebellum | show 🗑
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| Reticular formation | show 🗑
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| show | Relay station for sensory stimulation
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| show | Vital for body temperature regulation, concentration of fluids, storage of nutrients, and aspects of motivation and emotion; Also involved in hunger, thirst and sexual behavior
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| Limbic system | show 🗑
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| show | Connected with aggression, fear response, and vigilance
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| Cerebrum | show 🗑
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| show | A bundle of some 200 million nerve fibers connecting the two hemispheres
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| show | Cerebrum’s outer layer is about 1/8 inch thick. It is involved in bodily activities, sensations, and responses.
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| show | In front of central fissure; Contains the motor cortex, which causes our body to move
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| Parietal lobe | show 🗑
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| Temporal lobe | show 🗑
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| show | Lies behind the temporal lobe; is involved with vision and language functions
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| show | Implicated in growth
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| show | Regulates maternal behavior in lower animals such as rats; also produces milk in women
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| show | Inhibits production of urine when fluid levels in the body are low
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| Oxytocin | show 🗑
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| Melatonin | show 🗑
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| show | secreted by the thyroid and affects the body’s metabolism
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| show | Release hormones to increase resistance to stress; Promote muscle development and the release of sugar in the liver, making more energy available
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| show | Those characteristics involved in reproduction: increased penis size and sperm-producing ability of the testes
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| show | Not directly related to reproduction: presence of a beard, deeper voice
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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