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| a chemical substance, natural or synthetic, that interferes with the endocrine system |
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| may mimic actions of natural hormones |
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| may compete for receptor binding sites |
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| a bunch of animals in a very small space |
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| Central Nervous System (CNS) |
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| Peripheral Nervous System (PNS) |
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| everything other than brain and spinal cord |
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| Afferent (sensory) Nervous System |
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Definition
| carries sensory information (input) |
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| Carries outgoing information |
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| Long Extensions in nerve tissue |
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| excitable cellls that communicate by transmitting electrical impulses |
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| control ion permeability of neuron membrane; changes in the potential |
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| Hyperpolarizing (goes down) |
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| idea that states, "for a given scientific question, there is an animal for which that question can most conveniently be studied" |
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| mechanism by which cells of the NS communicate with and respond to each other |
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| process of going from 1 neuron signal to signal in many neurons |
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| process of going from many signals in many neurons to 1 signal in 1 neuron |
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| invitation of action potential from several simultaneous graded potentials |
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| summation that occurs from graded potentials overlapping in time |
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brain part that contains nuclei for many autonomic functions and for cranial nerves |
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| brain part that processes sensory information to coordinate movements |
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| brain part that contains: thalamus, hypothalamus, pituitary gland, and pineal gland |
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| brain part that is the site of higher brain functions, such as sensory integration, motor output, language acquisistion, and use |
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| brain part that is involved in control of movement |
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| brain part that is involved in emotion, learning, and memory |
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person that had rod shot through his head |
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| face blindness where you can't recognize/distinguish faces |
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| reversible state of physical inactivity characterized by lack of interaction with the external environment |
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| Unihemispheric Slow Wave Sleep (USWS) |
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| putting one half of the brain to sleep while other half is awake |
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| the acqusistion of information |
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| the ability to store, retain, and retrieve previously learned information |
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| learning after repeated exposures to a single stimulus |
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learning by associating 2 or more stimuli, aka conditioning |
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| Short term (working) Memory |
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| retention of information for seconds to minutes; is an upper limit of 7 to 12 things that can keep at once |
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| Long-Term (reference) Memory |
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| retention for days to years; no apparent upper limit |
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| Conversion of short-term to long-term memory |
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| Storage areas of long-term memory |
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| damge to Wernicke's area, leads to inability to process language input |
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| damage to Brocca's area, leads to inability to process language output (input is okay) |
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| input, both external and internal, from PNS to CNS |
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| the conscious interpretation of input from our external and internal environments |
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| the conversion of energy from one form to another (stereo, television, etc) |
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| the conversion from stimulus energy to electrical energy (chanes in receptor potential, production of graded potentials, etc.) |
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| the ability of the NS to identify the type, strength, and location of a stimulus |
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| area over which a stimulus can be detected by a given sensory neuron |
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| precision with which a stimulus location can be perceived |
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| inhibition of neighboring receptor activity in the presence of a strong stimulus; increases acuity |
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