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37 Cards in this Set
- Front
- Back
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Medulla
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Controls vital reflexes like breathing, heart rate, blood pressure
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Pons
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Sleep and Arousal
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Cerebellum "little brain"
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Balance, Coordination, Timing
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Reticular formation
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Control motor areas of the spinal cord
Sends output to cerebral cortex increasing arousal and attention |
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Midbrain
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Superior colliculus & inferior colliculus-important in routes of sensory information
Extensions of the pathways between the forebrain and the spinal cord or hindbrain |
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Limbic system
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Plays an important role in memory, motivation and emotion
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Amygdala
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FEar, Aggression
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Hippocampus
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Storage of Memories
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Thalamus
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Important relay station between the sensory systems of the cortex
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Hypothalamus
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Regulates eating, drinking, aggression, body temperature, sex
Helps direct the endocrine system through the pituitary gland |
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Basal Ganglis
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Responsible for motor behavior, some memory and emotional expression
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Corpus Callosum
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Connects left and right side of brains
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Occipital lobe
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Primary visual cortex
Damage: cortical blindness |
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Parietal lobe
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Primary somatosensory cortex
Damage: neglect syndrome |
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Temporal lobe
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Primary auditory cortex
Complex visual processing (shape) |
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Frontal lobe
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Primary motor cortex
Aspects of attention, planning, memory |
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Electroencephalograph (EEG)
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Electrical activity of the brain
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Computer-assisted axial tomography (CAT)
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X-Rays
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Magnetic resonance imaging (MRI)
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Magnetic field/radio waves
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Positron emission tomography (PET)
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Radioactive substances in blood
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Functional MRI (fMRI)
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Hemoglobin/oxygen in blood
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Dorsal root ganglia
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Clusters of sensory neuron cell bodies
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Bell-Magendie law
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Dorsal roots carry sensory information
Ventral roots carry motor information |
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The central nervous system is composed of:
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the brain and spinal cord.
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If the spinal cord is cut at a given segment, the brain loses sensation at:
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that segment and all segments below it.
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Which part of the nervous system prepares the body for "fight or flight" activities?
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somatic
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children with Hydrocephalus
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head swells up.. insert a shunt into the fluid cavaity.... ain a lateral ventricle. regulates the flow of the CSF.
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The binding problem
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how to combine all these sensory input into an out of body experience
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Neural Synchrony: Example
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Red Triangle, Green Square
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Differences in Brain Size/Structure
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NO STUDY that proves it makes a difference
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Brain/Body Mass
Humans? |
some mammals have huger brains, humans 2%
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Brain Size and IQ
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on average amount of grey matter correctate with IQ
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Females Brain Differences
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Larger hippocampus
Greater density of neurons in language areas More/deeper sulci Thus, equal gray matter Smaller amygdala Better verbal skills Different spatial skills Except after video games |
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The limbic system is important for:
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Emotional Behaviors
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Damage to the thalamus would most likely result in which of the following?
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loss of sensory input to the cortex
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An impairment of eating, drinking, temperature regulation, or sexual behavior suggests possible damage to which brain structure?
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Hypothalamus
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An individual has difficulty remembering anything recent after brain damage, but all memories stored before the damage are intact. The brain area damaged may be the:
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Hippocampus
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