1. Receptor cells
... pressure) to which an organism is capable of responding). • Stimuli and sensation have a cause and effect relationship. ...
... pressure) to which an organism is capable of responding). • Stimuli and sensation have a cause and effect relationship. ...
Unit 3A Notes
... 3. Axons are long “arms” that send info away from the cell body to other neurons or body parts. 1. Axons are insulated by the myelin sheath. This insulation helps control the impulses and speeds their travel. 2. Messages travel along neurons at between 2 and 200 mph (depending on the type of neuron) ...
... 3. Axons are long “arms” that send info away from the cell body to other neurons or body parts. 1. Axons are insulated by the myelin sheath. This insulation helps control the impulses and speeds their travel. 2. Messages travel along neurons at between 2 and 200 mph (depending on the type of neuron) ...
Neuroscience and Behavior
... Action Potential Properties All-or-None Response: A strong stimulus can trigger more neurons to fire, and to fire more often, but it does not affect the action potentials strength or speed. Intensity of an action potential remains the same throughout the length of the axon. ...
... Action Potential Properties All-or-None Response: A strong stimulus can trigger more neurons to fire, and to fire more often, but it does not affect the action potentials strength or speed. Intensity of an action potential remains the same throughout the length of the axon. ...
PNS/Reflexes
... pain receptors are tonic and do not exhibit peripheral adaptation; but central adaptation can reduce the perception of pain (see below). IV. Adaptation - when you are exposed to a constant stimulus (ex, a scent), your perception of that stimulus can sometimes diminish over time. One of two things ca ...
... pain receptors are tonic and do not exhibit peripheral adaptation; but central adaptation can reduce the perception of pain (see below). IV. Adaptation - when you are exposed to a constant stimulus (ex, a scent), your perception of that stimulus can sometimes diminish over time. One of two things ca ...
Lecture 5
... Experienced meditators (monks) produce increased gamma waves in the brain (25-42Hz) synchronized across the frontal and parietal cortices Such activity is thought to be the hallmark of focusing attention that involves synchronization of spatially dispersed groups of neurons. gamma activity in monks ...
... Experienced meditators (monks) produce increased gamma waves in the brain (25-42Hz) synchronized across the frontal and parietal cortices Such activity is thought to be the hallmark of focusing attention that involves synchronization of spatially dispersed groups of neurons. gamma activity in monks ...
ch4_1 - Homework Market
... many synapses. • Final cellular activity is a summation of these many excitatory and inhibitory synaptic signals. ...
... many synapses. • Final cellular activity is a summation of these many excitatory and inhibitory synaptic signals. ...
MirrorBot Report 6
... to be used as a framework of development and assessment for our models. The protocols and characteristics defined in the scenario will have an influence on the sensorimotor representation we will need to define. This point will be discussed below. Another point linked to the technological constrain ...
... to be used as a framework of development and assessment for our models. The protocols and characteristics defined in the scenario will have an influence on the sensorimotor representation we will need to define. This point will be discussed below. Another point linked to the technological constrain ...
Somatic Sensory System
... • Different diameter axons carry different types of somatosensory information • Project locally in spinal cord and have long ascending branches to contact secondary somatosensory axons ...
... • Different diameter axons carry different types of somatosensory information • Project locally in spinal cord and have long ascending branches to contact secondary somatosensory axons ...
The Nervous System - Ridgewood High School
... ensues, depolarizing the cell and causing the VM to increase. This is the rising phase of an AP. • Eventually, the Na+ channel will have inactivated and the K+ channels will be open. Now, K+ effluxes and repolarization occurs. This is the falling phase. – K+ channels are slow to open and slow to clo ...
... ensues, depolarizing the cell and causing the VM to increase. This is the rising phase of an AP. • Eventually, the Na+ channel will have inactivated and the K+ channels will be open. Now, K+ effluxes and repolarization occurs. This is the falling phase. – K+ channels are slow to open and slow to clo ...
Exercise 13
... system (PNS)comprises all nerves that connect the brain and spinal cord to muscles, glands and receptors. ...
... system (PNS)comprises all nerves that connect the brain and spinal cord to muscles, glands and receptors. ...
Nervous System
... Each hemisphere acts contralaterally (controls the opposite side of the body) Hemispheres are not equal in function No functional area acts alone; conscious behavior involves the entire cortex Three functional areas: motor, sensory and association areas ...
... Each hemisphere acts contralaterally (controls the opposite side of the body) Hemispheres are not equal in function No functional area acts alone; conscious behavior involves the entire cortex Three functional areas: motor, sensory and association areas ...
Nervous System = communication conduit b/w brain
... CNS relays messages, processes info., and analyzes responses Brain = control center of body 100 billion + neurons major sections (cerebrum, cerebellum, brain stem) ...
... CNS relays messages, processes info., and analyzes responses Brain = control center of body 100 billion + neurons major sections (cerebrum, cerebellum, brain stem) ...
Anatomy and Physiology 121: The Nervous System General
... Primary motor region in Precentral gyri Primary sensory region in Postcentral gyri Association areas analyze and interpret sensory impulses that are involved in memory, reasoning, verbalizing, judgment and emotions Basal Ganglia ...
... Primary motor region in Precentral gyri Primary sensory region in Postcentral gyri Association areas analyze and interpret sensory impulses that are involved in memory, reasoning, verbalizing, judgment and emotions Basal Ganglia ...
The Nervous System
... The central nervous system consists of the brain and the spinal cord and association neurons. These neurons make up most of the spinal cord and change the input impulse to output impulses and cause the body to respond. ...
... The central nervous system consists of the brain and the spinal cord and association neurons. These neurons make up most of the spinal cord and change the input impulse to output impulses and cause the body to respond. ...
BODY-KINESTHETIC
... minds don’t and can’t know in any other way; for example, how to ride a bike, park a car, type, catch an object, or maintain balance while walking. BRAIN CONNECTION Our BK capacities for learning comprise a complex, intricate, highly integrated network of brain/body operations. The motor cortex of t ...
... minds don’t and can’t know in any other way; for example, how to ride a bike, park a car, type, catch an object, or maintain balance while walking. BRAIN CONNECTION Our BK capacities for learning comprise a complex, intricate, highly integrated network of brain/body operations. The motor cortex of t ...
Cellular and Molecul..
... • odorant receptors themselves should exhibit significant diversity and are therefore likely to be encoded by a multigene family • expression of the odorant receptors should be restricted to the olfactory epithelium ...
... • odorant receptors themselves should exhibit significant diversity and are therefore likely to be encoded by a multigene family • expression of the odorant receptors should be restricted to the olfactory epithelium ...
The Nervous System
... • Receives sensory signals and sends them up to higher centers • Receives motor signals and sends them to the spinal cord ...
... • Receives sensory signals and sends them up to higher centers • Receives motor signals and sends them to the spinal cord ...
Slide ()
... potentiation (LTP) is present at synapses throughout the hippocampus but depends to differing degrees on activation of NMDA-type glutamate receptors. A. Tetanic stimulation of the Schaffer collateral pathway (at arrow) induces LTP at the synapses between presynaptic terminals of CA3 pyramidal neuron ...
... potentiation (LTP) is present at synapses throughout the hippocampus but depends to differing degrees on activation of NMDA-type glutamate receptors. A. Tetanic stimulation of the Schaffer collateral pathway (at arrow) induces LTP at the synapses between presynaptic terminals of CA3 pyramidal neuron ...
Slide () - FA Davis PT Collection
... Spinal nerves of the peripheral nervous system are connected to the spinal cord by anterior roots (sensory neurons) and posterior roots (motor neurons) within the intervertebral foramen. On exiting the spinal column, the spinal nerve splits into dorsal and ventral rami. Dorsal rami typically innerva ...
... Spinal nerves of the peripheral nervous system are connected to the spinal cord by anterior roots (sensory neurons) and posterior roots (motor neurons) within the intervertebral foramen. On exiting the spinal column, the spinal nerve splits into dorsal and ventral rami. Dorsal rami typically innerva ...
013368718X_CH31_483-498.indd
... about the body’s internal and external environment, processes that information, and responds to it. The peripheral nervous system consists of nerves and supporting cells. It collects information about the body’s internal and external environment. The central nervous system consists of the brain and ...
... about the body’s internal and external environment, processes that information, and responds to it. The peripheral nervous system consists of nerves and supporting cells. It collects information about the body’s internal and external environment. The central nervous system consists of the brain and ...