FYI information about sensory perception
... when they are only 2 or 3 mm apart? In other words, the receptors must be packed closely enough so that a probe stimulates one or more of them. High receptor density alone, however, cannot explain why the fingertip can distinguish points so close together while the arm senses two points only when th ...
... when they are only 2 or 3 mm apart? In other words, the receptors must be packed closely enough so that a probe stimulates one or more of them. High receptor density alone, however, cannot explain why the fingertip can distinguish points so close together while the arm senses two points only when th ...
Lecture 5 Transmitters and receptors lecture 2015
... Adenosine triphosphate (ATP) ATP is made from adenosine and packed into large dense core or small synaptic type vesicles. ATP is released along with another transmitter, or by itself. After release, ATPase and other enzymes break it down and adenosine can be taken up again. In this example, ATP, nor ...
... Adenosine triphosphate (ATP) ATP is made from adenosine and packed into large dense core or small synaptic type vesicles. ATP is released along with another transmitter, or by itself. After release, ATPase and other enzymes break it down and adenosine can be taken up again. In this example, ATP, nor ...
Psychology 300 Instructor: Sylvia S. Spencer Ph.D. TEST 1 REVIEW
... 10. What is an EEG, PET, and MRI and the differences in procedures and purpose. 11. The sequence of brain regions from the evolutionarily oldest to the newest is? 12. What structures are located in the Brain Stem and what are their functions? 13. What could result if each of these structures were af ...
... 10. What is an EEG, PET, and MRI and the differences in procedures and purpose. 11. The sequence of brain regions from the evolutionarily oldest to the newest is? 12. What structures are located in the Brain Stem and what are their functions? 13. What could result if each of these structures were af ...
nervous quiz RG
... __________ 6. What is the function of the neurotransmitter Dopamine? a. fight or \flight b. provides a barrier to prevent the uptake of neurotransmitters. c. is a pleasure neurotransmitter d. increases electrical activity in the brain. __________ 7. What is a synapse? a. a gap between neurons b. a g ...
... __________ 6. What is the function of the neurotransmitter Dopamine? a. fight or \flight b. provides a barrier to prevent the uptake of neurotransmitters. c. is a pleasure neurotransmitter d. increases electrical activity in the brain. __________ 7. What is a synapse? a. a gap between neurons b. a g ...
Transmission at the Synapse and the
... excitatory synapse on another neuron, and the two nerve endings form an axoaxonal synapse. o There are 3 mechanisms of presynaptic inhibition: Activation of chloride channels in the PRE-synaptic neuron – that hyperpolarizes the excitatory nerve ending and thus reduced the magnitude of excitatory a ...
... excitatory synapse on another neuron, and the two nerve endings form an axoaxonal synapse. o There are 3 mechanisms of presynaptic inhibition: Activation of chloride channels in the PRE-synaptic neuron – that hyperpolarizes the excitatory nerve ending and thus reduced the magnitude of excitatory a ...
Nervous System III
... • Receptors in internal organs • Conveys info such as fullness, gas, pain originating from internal organs ...
... • Receptors in internal organs • Conveys info such as fullness, gas, pain originating from internal organs ...
Sensory receptor organs
... • Receptor organs are very diverse because they specialize in detecting different types of stimuli in the environment. • An adequate stimulus is the type of stimulus to which a sensory organ is particularly adapted. • photic (light) energy for the eye • mechanical energy for touch ...
... • Receptor organs are very diverse because they specialize in detecting different types of stimuli in the environment. • An adequate stimulus is the type of stimulus to which a sensory organ is particularly adapted. • photic (light) energy for the eye • mechanical energy for touch ...
Chapter 6
... Survival depends upon sensation and perception Sensation is the awareness of changes in the internal and external environment Perception is the conscious interpretation of those stimuli ...
... Survival depends upon sensation and perception Sensation is the awareness of changes in the internal and external environment Perception is the conscious interpretation of those stimuli ...
eating spaghetti!
... into glucose by cellular respiration into ATP (Energy). Neurons demand a lot of energy because they’re always in a state of metabolic activity. Neurons are manufacturing enzymes and neurotransmitters that are transported out to very ends of their nerve-branches. Chemo ...
... into glucose by cellular respiration into ATP (Energy). Neurons demand a lot of energy because they’re always in a state of metabolic activity. Neurons are manufacturing enzymes and neurotransmitters that are transported out to very ends of their nerve-branches. Chemo ...
Mechanism of hormone action
... • Activation of adenyl cyclase by activated Ga • Activation of protein kinase A by cAMP ...
... • Activation of adenyl cyclase by activated Ga • Activation of protein kinase A by cAMP ...
Sense of Touch
... • Pain is detected by branching dendrites of sensory neurons that end freely throughout the skin, muscles, and most visceral organs • It is thought that these dendrites are sensitive to chemicals produced as cells are damaged; the greater the cellular damage, the greater the sensation of pain ...
... • Pain is detected by branching dendrites of sensory neurons that end freely throughout the skin, muscles, and most visceral organs • It is thought that these dendrites are sensitive to chemicals produced as cells are damaged; the greater the cellular damage, the greater the sensation of pain ...
Plasticity, Hippocampal Place Cells, and Cognitive Maps
... Amaral and Witter). The hippocampal slice, circled in the lower left figure, is expanded to show the trisynaptic circuit. At the top right, a single cornu ammonis 1 (CA1) pyramidal neuron and the hippocampal synapse are shown. Axons from CA3 pyramidal neurons form glutamatergic synapses on CA1 neuro ...
... Amaral and Witter). The hippocampal slice, circled in the lower left figure, is expanded to show the trisynaptic circuit. At the top right, a single cornu ammonis 1 (CA1) pyramidal neuron and the hippocampal synapse are shown. Axons from CA3 pyramidal neurons form glutamatergic synapses on CA1 neuro ...
nervous system 2 notes - Hicksville Public Schools
... certain stimulus (you have NO control over it). ...
... certain stimulus (you have NO control over it). ...
The synapse.
... is not likely to be of the same length. The drawing at the right is more likely to occur. What this allows is to record differentially where the longer electrode is intracellular and the shorter electrode is extracellular. This is how the axon hillock was shown to be more sensitive than the rest of ...
... is not likely to be of the same length. The drawing at the right is more likely to occur. What this allows is to record differentially where the longer electrode is intracellular and the shorter electrode is extracellular. This is how the axon hillock was shown to be more sensitive than the rest of ...
Name
... 10. nerve endings which are sensitive and respond to light energy 11. stimulus strength strong enough to cause a response 12. when one pre-synaptic neuron affects a response in two post-synaptic neurons 13. ovoid glial cells that are phagocytic 14. not having the ability to reproduce 15. clusters of ...
... 10. nerve endings which are sensitive and respond to light energy 11. stimulus strength strong enough to cause a response 12. when one pre-synaptic neuron affects a response in two post-synaptic neurons 13. ovoid glial cells that are phagocytic 14. not having the ability to reproduce 15. clusters of ...
7-Nerves - bloodhounds Incorporated
... Activation of α1-receptors usually results in a slow depolarization linked to the inhibition of K+ channels activation of α2-receptors produces a slow hyperpolarization due to the activation of a different type of K+ channel. ...
... Activation of α1-receptors usually results in a slow depolarization linked to the inhibition of K+ channels activation of α2-receptors produces a slow hyperpolarization due to the activation of a different type of K+ channel. ...
NK cells
... molecules expressed by NK cells, nor for recombinatorial events being important for development of an NK cell repertoire NK cells recognize MHC determinants, but neither these structures, nor peptides expressed by MHC, are target antigens for activation of NK lytic function Some NK cells express CD8 ...
... molecules expressed by NK cells, nor for recombinatorial events being important for development of an NK cell repertoire NK cells recognize MHC determinants, but neither these structures, nor peptides expressed by MHC, are target antigens for activation of NK lytic function Some NK cells express CD8 ...
overview of neural f..
... The discovery of long term changes in synaptic efficacy was important in terms of identifying possible mechanisms that underlie learning and memory (i.e. long term changes in behaviour must surely be reflected in long term neural changes). Perhaps the most important process in this regard is LONG T ...
... The discovery of long term changes in synaptic efficacy was important in terms of identifying possible mechanisms that underlie learning and memory (i.e. long term changes in behaviour must surely be reflected in long term neural changes). Perhaps the most important process in this regard is LONG T ...
BL 616 Test 1 study guide. The test will probably have 20 multiple
... pH, ions in blood, cells; acids vs. bases Bicarbonate buffer and other buffers; Nonvolatile acid in urine: Structures of major macromolecules – be able to draw generic nucleotide, fatty acid, phospholipid, triacylglycerol, glucose, and disaccharide, cAMP, Ch 6-7 amino acids, protein structure Be abl ...
... pH, ions in blood, cells; acids vs. bases Bicarbonate buffer and other buffers; Nonvolatile acid in urine: Structures of major macromolecules – be able to draw generic nucleotide, fatty acid, phospholipid, triacylglycerol, glucose, and disaccharide, cAMP, Ch 6-7 amino acids, protein structure Be abl ...
Synaptic Transmission
... • Excitatory message—increases the likelihood that the postsynaptic neuron will activate (allows + ions to enter) • Inhibitory message—decreases the likelihood that the postsynaptic neuron will activate. (allows – ions to enter) ...
... • Excitatory message—increases the likelihood that the postsynaptic neuron will activate (allows + ions to enter) • Inhibitory message—decreases the likelihood that the postsynaptic neuron will activate. (allows – ions to enter) ...
Cellular and Molecular Biology (HTH SCI 1I06) Legacy Summary
... that they produce a basal level of activity (i.e. induce a certain cellular response), even without the presence of a ligand molecule. Another really strange part about all of this is that different molecules present within a cell can constantly interact with receptors, and actually cause them to un ...
... that they produce a basal level of activity (i.e. induce a certain cellular response), even without the presence of a ligand molecule. Another really strange part about all of this is that different molecules present within a cell can constantly interact with receptors, and actually cause them to un ...
Module 9: Synaptic Transmission
... Parkinson’s Disease • Results from loss of dopamine-producing neurons in the substantia nigra • Symptoms include – difficulty starting and stopping voluntary movements – tremors at rest – stooped posture – rigidity – poor balance ...
... Parkinson’s Disease • Results from loss of dopamine-producing neurons in the substantia nigra • Symptoms include – difficulty starting and stopping voluntary movements – tremors at rest – stooped posture – rigidity – poor balance ...