Input Involves all environmental stimuli – e.g. other players/the ball
... Sense organs Receive the stimuli/include vision/audition and proprioceptors e.g. eyes see the ball coming. ...
... Sense organs Receive the stimuli/include vision/audition and proprioceptors e.g. eyes see the ball coming. ...
Vision
... Specialized ending of an afferent neuron Æ receptor potential Separate cell closely associated with peripheral ending of a neuron Æ generator potential ...
... Specialized ending of an afferent neuron Æ receptor potential Separate cell closely associated with peripheral ending of a neuron Æ generator potential ...
Nervous System Part 1
... dendrite extending from opposite sides of the cell body, found only in eyes, nose, and ears 3. Unipolar neurons are found in ganglia outside the CNS and have one axon that divides; the peripheral process has dendrites near a peripheral body part and a central process that runs into the CNS. ...
... dendrite extending from opposite sides of the cell body, found only in eyes, nose, and ears 3. Unipolar neurons are found in ganglia outside the CNS and have one axon that divides; the peripheral process has dendrites near a peripheral body part and a central process that runs into the CNS. ...
Notes_2-4_bcsd Biologic basis of behavior
... -small gaps between myelin -help speed up neural transmission -knobs at the end of the axon from which neurotransmitters are released into the synapse (gap between terminal buttons of one neuron and dendrites of another neuron) - where neurotransmitter are housed -electrical charge of a neuron at re ...
... -small gaps between myelin -help speed up neural transmission -knobs at the end of the axon from which neurotransmitters are released into the synapse (gap between terminal buttons of one neuron and dendrites of another neuron) - where neurotransmitter are housed -electrical charge of a neuron at re ...
chapt10_holes_lecture_animation
... List the functions of sensory receptors. Describe how the nervous system responds to stimuli. 10.3: Description of Cells of the Nervous System Describe the three major parts of a neuron. Define neurofibrils and chromatophilic substance. ...
... List the functions of sensory receptors. Describe how the nervous system responds to stimuli. 10.3: Description of Cells of the Nervous System Describe the three major parts of a neuron. Define neurofibrils and chromatophilic substance. ...
PowerPoint to accompany Hole’s Human Anatomy and
... List the functions of sensory receptors. Describe how the nervous system responds to stimuli. 10.3: Description of Cells of the Nervous System Describe the three major parts of a neuron. Define neurofibrils and chromatophilic substance. ...
... List the functions of sensory receptors. Describe how the nervous system responds to stimuli. 10.3: Description of Cells of the Nervous System Describe the three major parts of a neuron. Define neurofibrils and chromatophilic substance. ...
The Nervous System
... Irritability – the ability to respond to a stimulus and convert it to a nerve impulse. • A resting neuron is polarized. There are more Na+ outside and less K+ inside. • Stimuli causes the permeability of the plasma membrane to change, changing the polarity. ...
... Irritability – the ability to respond to a stimulus and convert it to a nerve impulse. • A resting neuron is polarized. There are more Na+ outside and less K+ inside. • Stimuli causes the permeability of the plasma membrane to change, changing the polarity. ...
ppt
... B. An action potential reaches the end of the axon C. An action potential reaches the end of the dendrite D. You take morphine or other narcotic ...
... B. An action potential reaches the end of the axon C. An action potential reaches the end of the dendrite D. You take morphine or other narcotic ...
Neuroscience Course Conference
... excitation and inhibition impinging on the relay neurons is biased toward excitation, so there is an increased probability that pain signals may ascend to higher levels of the CNS where perception occurs. What cellular changes in which neurons might cause this increase in excitability? What type of ...
... excitation and inhibition impinging on the relay neurons is biased toward excitation, so there is an increased probability that pain signals may ascend to higher levels of the CNS where perception occurs. What cellular changes in which neurons might cause this increase in excitability? What type of ...
Anat3_01_Nervous_Tissue
... (about –55 mV), voltage gated channels open. A weak stimulus that does not bring the membrane to threshold is called a sub-threshold stimulus. A stimulus that is just strong enough to depolarize a membrane is called a threshold stimulus. Several action potentials will from in response to a sup ...
... (about –55 mV), voltage gated channels open. A weak stimulus that does not bring the membrane to threshold is called a sub-threshold stimulus. A stimulus that is just strong enough to depolarize a membrane is called a threshold stimulus. Several action potentials will from in response to a sup ...
Somatic Sensory System
... • S2 is lateral to S1 and is association area • PPC is posterior to S1 and is involved in perception/recognition of sensation • Neurons in S2 and PPC have complex receptive fields which can include sensory information as well as attention and visual and movement planning. ...
... • S2 is lateral to S1 and is association area • PPC is posterior to S1 and is involved in perception/recognition of sensation • Neurons in S2 and PPC have complex receptive fields which can include sensory information as well as attention and visual and movement planning. ...
BIOLOGY 12: U NIT M/N - C A. CHAPTER REVIEW 1. What are the
... 5. What is meant by the resting membrane potential? What is its value? _____________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________ ...
... 5. What is meant by the resting membrane potential? What is its value? _____________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________ ...
Chapter 9 Touch, Pain, Taste and Smell
... touch receptors. Instead humans have over 300 receptive types for smell, and other species such as dogs have many more. On the right we see three (green, blue, or yellow) of the many subtypes of olfactory cells. These are randomly distributed in the nasal cavity. Each odor is detected, to different ...
... touch receptors. Instead humans have over 300 receptive types for smell, and other species such as dogs have many more. On the right we see three (green, blue, or yellow) of the many subtypes of olfactory cells. These are randomly distributed in the nasal cavity. Each odor is detected, to different ...
Ch12 notes Martini 9e
... • A shift in transmembrane potential toward 0 mV • Movement of Na+ through channel • Produces local current • Depolarizes nearby plasma membrane (graded potential) • Change in potential is proportional to stimulus Whether depolarizing or hyperpolarizing, share four basic characteristics The transmem ...
... • A shift in transmembrane potential toward 0 mV • Movement of Na+ through channel • Produces local current • Depolarizes nearby plasma membrane (graded potential) • Change in potential is proportional to stimulus Whether depolarizing or hyperpolarizing, share four basic characteristics The transmem ...
Chapter 2 Notes Packet (Part 1)
... o To generate a signal the tension needs to be release o _________________________: when an area of the cell membrane is stimulated enough by messages , pores (channels) allow positively charged ions come in; allowing the inside to be positive Creates an electrical charge, or a neural impulse, tha ...
... o To generate a signal the tension needs to be release o _________________________: when an area of the cell membrane is stimulated enough by messages , pores (channels) allow positively charged ions come in; allowing the inside to be positive Creates an electrical charge, or a neural impulse, tha ...
![[j26]Chapter 7#](http://s1.studyres.com/store/data/009746692_1-cea296eaa3596328a1d6ed73629d44e9-300x300.png)
[j26]Chapter 7#
... Action potentials reach the end of each neuron where these electrical signals are either transmitted directly to the next cell in the sequence via gap junctions, or indirectly are responsible for activating the release of specialized neurotransmitter chemicals. Released from vesicles into the synapt ...
... Action potentials reach the end of each neuron where these electrical signals are either transmitted directly to the next cell in the sequence via gap junctions, or indirectly are responsible for activating the release of specialized neurotransmitter chemicals. Released from vesicles into the synapt ...
Real Neurons for Engineers
... their membranes. This changes ion concentrations and the potential across their membrane. The ions then function in various ways to cause changes in the neuron. • Bob will teach this. I will show you how to model it. ...
... their membranes. This changes ion concentrations and the potential across their membrane. The ions then function in various ways to cause changes in the neuron. • Bob will teach this. I will show you how to model it. ...
amy-2a-2016-cryders-rmp-and-generation-of-action
... pulls ions back into the cell. K+ ions will continue to diffuse out of the cell until the electrical potential is equal but opposite. Once equilibrium is reached, there will be no net movement of ions. -90mv is the equilibrium potential for K+ and -70mv is the resting membrane potential for a neuro ...
... pulls ions back into the cell. K+ ions will continue to diffuse out of the cell until the electrical potential is equal but opposite. Once equilibrium is reached, there will be no net movement of ions. -90mv is the equilibrium potential for K+ and -70mv is the resting membrane potential for a neuro ...
Divisions of the Nervous System
... • Convey incoming messages toward cell body as graded potentials (short distance signals) ...
... • Convey incoming messages toward cell body as graded potentials (short distance signals) ...
Rexed`s Lamina
... spindle Receptor level (sensory reception Joint and transmission kinesthetic to CNS) receptor ...
... spindle Receptor level (sensory reception Joint and transmission kinesthetic to CNS) receptor ...
Nervous System ppt
... into little “neurotransmitters” to place between your neurons to represent signal transmission ...
... into little “neurotransmitters” to place between your neurons to represent signal transmission ...
Stimulus (physiology)
In physiology, a stimulus (plural stimuli) is a detectable change in the internal or external environment. The ability of an organism or organ to respond to external stimuli is called sensitivity. When a stimulus is applied to a sensory receptor, it normally elicits or influences a reflex via stimulus transduction. These sensory receptors can receive information from outside the body, as in touch receptors found in the skin or light receptors in the eye, as well as from inside the body, as in chemoreceptors and mechanorceptors. An internal stimulus is often the first component of a homeostatic control system. External stimuli are capable of producing systemic responses throughout the body, as in the fight-or-flight response. In order for a stimulus to be detected with high probability, its level must exceed the absolute threshold; if a signal does reach threshold, the information is transmitted to the central nervous system (CNS), where it is integrated and a decision on how to react is made. Although stimuli commonly cause the body to respond, it is the CNS that finally determines whether a signal causes a reaction or not.