Term
| What kind of neurons are found in the brain? |
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Definition
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Term
| How many neurons are in the average adult brain? |
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Definition
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Term
| Why does the brain use up 20% of the body's blood supply? |
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Definition
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Definition
| Blood supply cut off from neurons, so lysosomes in cell body burst and the neurons are destroyed |
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Term
| What is the brain's only fuel? |
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Definition
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Definition
| Glucose level in blood drops, making the mind foggy |
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Definition
| Blood clot cuts off supply to brain |
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Definition
| Blood vessel in brain bursts |
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Definition
| collections of nerve cell bodies and their assiciated neuroglia |
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Term
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Definition
| bundles of parallel axons and their sheaths |
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Term
| What is gray matter in the CNS known as? |
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Definition
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Term
| What is white matter in the CNS called? |
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Definition
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Term
| What are the three parts of the brainstem? |
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Definition
| Pons, medulla, and midbrain |
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Term
| Where is the point of decussation? |
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Definition
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Term
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Definition
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Term
| What does the medulla contain? |
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Definition
| Nuclei that are control centers for the body's vital functions |
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Term
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Definition
| Controls dilation and constriction of blood vessels in the body |
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Term
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Definition
| Form a bridge between medulla and upper brainstem, and relay messages from cerebrum to cerebellum |
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Term
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Definition
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Definition
| Nuclei in brainstem that recieve information from afferent nerves, especially those in the face |
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Term
| Reticular activation system |
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Definition
| determines cycle of waking and sleeping |
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Term
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Definition
| Between brainstem and cerebrum, contains thalamus and hypothalamus |
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Term
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Definition
| Links two parts of the thalamus |
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Term
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Definition
| Sensory relay station, affects mood and body movements |
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Term
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Definition
| Effects emotion, controls pituitary gland, controls autonomic nervous system (smooth muscle, cardiac muscle, and glands), and body temperature |
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Term
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Definition
| "Higher level" brain functions: reasoning, memory, taking messages from receptors in body |
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Term
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Definition
| Outer surface of cerebrum, made of folded gray matter |
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Term
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Definition
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Definition
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Term
| Where are 75% of our neuron cell bodies located? |
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Definition
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Definition
| Controls subconscious motor functions, equilibrium, sequencing of muscle contractions, muscle preset, and dampening (controls limbs during running etc) |
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Term
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Definition
| Allows two halves of cerebrum to communicate |
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Term
| What brain part is much larger in humans than in animals? |
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Definition
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Term
| What part of the brain is affected by tranquilizers? |
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Definition
| Retinacular activation system |
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Term
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Definition
| Hearing, smell, memory, abstract thought |
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Term
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Definition
| Motor function, smell, mood |
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Term
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Definition
| Recieves and integrates visual senses |
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Term
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Definition
| All sensory things except for smell, vision, and hearing |
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Term
| Primary somatic sensory area |
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Definition
| Localizes sensations coming from every part of body |
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Term
| Somatic sensory association area |
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Definition
| determines nature of sensations felt (poke vs. light touch) |
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Term
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Definition
| Determines shape, color, and size of objects in vision |
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Term
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Definition
| Compares images to past images (recognizing face etc) |
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Term
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Definition
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Term
| Auditory association area |
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Definition
| Recognition of past sounds |
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Term
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Definition
| Comprehends sounds into speech |
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Definition
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Definition
| controls basic skeletal movements |
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Definition
| Skilled muscle movements (writing, etc) |
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Definition
| works out fine details of muscle movement of speech |
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Definition
| Reason, motivation, personality |
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Definition
| connections of nerve fibers which allow the two hemispheres of the brain to communicate with one another |
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Term
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Definition
| Lumps of gray matter that are involved in planning, initiating, maintaining, and terminating motor activity |
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Term
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Definition
| Lentiform nucleus and caudate nucleus |
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Definition
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Definition
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Definition
Influences pain, sensations of pleasure, mood, survival instincts, and the desire for foot, water, and reproducing |
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Definition
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Definition
| Identifies emotions related to another person |
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Term
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Definition
| Produce cerebrospinal fluid |
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Term
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Definition
| Surround and protect brain |
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Term
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Definition
| Meninges layer right beneath skull |
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Term
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Definition
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Term
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Definition
| Separates arachnoid mater and dura mater |
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Term
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Definition
| Closest meningeal layer to brain |
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Term
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Definition
| Separates arachnoid mater and pia mater |
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Term
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Definition
| inflammation of the mininges |
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Term
| Where is the majority of CSF produced? |
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Definition
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Term
| What do the cells do in your body to help the brain when the blood glucose level drops? |
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Definition
| They use other sources of nutrition to save glucose for the brain |
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Term
| What part of the brain is much larger in humans than in animals? |
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Definition
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Term
| The underdevelopment of what part of the brain causes jerky movements? |
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Definition
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Term
| What portion of the brain is affected by tranquilizers? |
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Definition
| The reticular activation system |
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Term
| If a person can not speak but can think of the words to say, what part of his brain is damaged? |
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Definition
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Term
| If a person feels numb all over what part of the brain is damaged? |
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Definition
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Term
| If a person's hands shook uncontrollably, what part of the brain is damaged? |
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Definition
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Term
| What would a subdural hematoma do to the brain? |
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Definition
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Term
| Where are the cell bodies of the neurons which make up the ventral root? |
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Definition
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