Term
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Definition
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Term
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Definition
interconnected neurons (no brain, ganglia, or cephalization) |
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Term
what kinds of organisms have a nerve net? |
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Definition
those with radial symmetry (cnidaria, ctenophora) |
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how are neurons placed in nerve net? (close together, far apart) |
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Definition
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Definition
detect food/chemicals in a rudimentary way, help animal move through environment |
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Definition
determine source of stimulus input (produce same motor output throughout entire body when any part is "touched") |
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flatworms (planaria) have what kind of symmetry? |
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Definition
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worm like animals: nerve cords |
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Definition
dual nerve cords running along entire body, cords connected by transverse nerves |
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Term
worm like animals: simple brain |
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Definition
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worm like animals: sensory info |
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Definition
obtained through photoreceptors on eyespots, other sensory organs detect chemical info |
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Term
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Definition
can display distinct behavioral responses based on type of signals |
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Term
C. elegans: nervous system structure and making |
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Definition
simple, 302 neurons, 7,000 synapses |
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Term
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Definition
each one different in every organism |
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Definition
genes that control programmed cell death (apoptosis) first found in C. elegans |
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Term
organisms with centralized nervous systems |
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Definition
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arthropod: nervous system structure |
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Definition
several large paired ganglia in head region |
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arthropod: mushroom bodies - what organism? |
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Definition
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arthropod: mushroom bodies - function |
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Definition
leaning and memory (smell), coincidence detector (associate two things) |
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Term
vertebrates who only have simple cognition... |
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Definition
have smaller forebrain, bigger hindbrain |
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Term
vertebrates who have high cognition... |
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Definition
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Term
basic vertebrate nervous system: forebrain |
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Definition
telencephalon (like amygdala/hippocampus), diencephalon (like thalamus/hypothalamus) |
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Term
basic vertebrate nervous system: midbrain |
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Definition
tectum (sensorimotor processing/spatial orientation), cerebellum |
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Term
basic vertebrate nervous system: hindbrain |
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Definition
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Term
main parts of basic vertebrate nervous system |
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Definition
forebrain, midbrain, hindbrain, spinal cord |
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Term
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Definition
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Term
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Definition
- older cortex in birds/reptiles/some parts of mammalian brains (puriform cortex) - only has 3 layers |
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Definition
- 6 layered - only in mammal brains - takes up 90% of human cerebral cortex |
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Term
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Definition
same origin (embryonic/phylogenetic) |
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Term
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Definition
- same function, different origin - example of convergent evolution |
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Term
homologous cortical regions: prelimbic cortex in rodents is functionally homologous to... |
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Definition
dorsal anterior cingulate cortex (broadmann area 25) |
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Term
homologous cortical regions: prelimbic cortex/dorsal anterior cingulate cortex - function |
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Definition
role in cognitive processes |
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Term
homologous cortical regions: infralimbic cortex in rodents is functionally homologous to... |
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Definition
orbitomedial prefrontal cortex (broadmann area 25) |
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Term
homologous cortical regions: infralimbic cortex/orbitomedial prefrontal cortex - function |
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Definition
viseral/autonomic functions (changes in blood pressure, changes in respiration, heart rate change, digestion change) |
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Term
sensory organ convergence - function |
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Definition
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Term
angular acceleration - organs |
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Definition
semi-circular canal systems of human and crab |
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Term
specialized areas in humans |
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Definition
wernicke's and broca's areas |
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Term
specialized area in rodents |
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Definition
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Term
where are whisker barrels found? |
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Definition
somatosensory cortex of rodents |
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Term
information flow of barrel cortex |
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Definition
1. whiskers send sensory info to primary somatosensory cortex (S1) via brainstem/thalamus 2. barrel cortex signals to motor cortex (M1) 3. whisker movements are regulated by the M1 signals |
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Term
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Definition
each whisker is connected to a part of the barrel cortex |
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