Ch. 7 - The Nervous System
... A stimulus depolarizes the neuron’s membrane 2. A depolarized membrane allows sodium (Na+) to flow inside the membrane C. Action potential 1. If the action potential (nerve impulse) starts, it is propagated over the entire axon 2. Impulses travel faster when fibers have a myelin sheath 3. The excha ...
... A stimulus depolarizes the neuron’s membrane 2. A depolarized membrane allows sodium (Na+) to flow inside the membrane C. Action potential 1. If the action potential (nerve impulse) starts, it is propagated over the entire axon 2. Impulses travel faster when fibers have a myelin sheath 3. The excha ...
Lecture 15 THE COGNITIVE MIND Overview Cognition
... Now, the question is: Why should there be a brain-style computation? The basic assumption is that we seek explanation at the program or functional level rather than the implementational level. Thus it is often pointed out that we can learn very little about what kind of program a particular computer ...
... Now, the question is: Why should there be a brain-style computation? The basic assumption is that we seek explanation at the program or functional level rather than the implementational level. Thus it is often pointed out that we can learn very little about what kind of program a particular computer ...
Unit-III-The-Nervous-and-Endocrine-Systems
... The movement for reflexes occurs before the brain has a chance to process the incoming sensory information. Reflexes enable us to respond to stimuli before they have a chance to do us harm. It’s almost as if the spinal cord is a brain itself – having the ability to process danger before the brain ha ...
... The movement for reflexes occurs before the brain has a chance to process the incoming sensory information. Reflexes enable us to respond to stimuli before they have a chance to do us harm. It’s almost as if the spinal cord is a brain itself – having the ability to process danger before the brain ha ...
learning objectives chapter 2
... (see “The Autonomic Nervous System”) 11. Define nuclei and fiber tracts. (see “The Central Nervous System: Making Sense of the World”) 12. Describe the spinal cord and its functions. Define reflex. (see “The Spinal Cord”) 13. Describe the techniques that scientists use to study the brain. (see “The ...
... (see “The Autonomic Nervous System”) 11. Define nuclei and fiber tracts. (see “The Central Nervous System: Making Sense of the World”) 12. Describe the spinal cord and its functions. Define reflex. (see “The Spinal Cord”) 13. Describe the techniques that scientists use to study the brain. (see “The ...
Evolution and intelligence: beyond the argument
... celled organisms can afford to allow to accumulate), but among vertebrates there is no trend suggesting that species with larger more complex bodies and brains require more genes to produce them. Most estimates place the number of genes coding for protein products in mammals like mice and humans at ...
... celled organisms can afford to allow to accumulate), but among vertebrates there is no trend suggesting that species with larger more complex bodies and brains require more genes to produce them. Most estimates place the number of genes coding for protein products in mammals like mice and humans at ...
Study Guide - WordPress.com
... saliva, answers will vary 7. thermoreceptors and pain receptors, temperature (heat, cold) and pressure, answers will vary 8. the retina 9. The eardrum and the three bones in the ear amplify the sound waves. These amplified waves move fluid in the cochlea. When the fluid moves, the hair cells bend, g ...
... saliva, answers will vary 7. thermoreceptors and pain receptors, temperature (heat, cold) and pressure, answers will vary 8. the retina 9. The eardrum and the three bones in the ear amplify the sound waves. These amplified waves move fluid in the cochlea. When the fluid moves, the hair cells bend, g ...
foods of the chinese
... which would allow the occupants to listen in on the conversation of people awaiting admission to the house. Typically this would allow the occupant to be prepared for unfriendly visitors. Early telephone systems shared party lines which would allow the sharing subscribers to listen to each others co ...
... which would allow the occupants to listen in on the conversation of people awaiting admission to the house. Typically this would allow the occupant to be prepared for unfriendly visitors. Early telephone systems shared party lines which would allow the sharing subscribers to listen to each others co ...
Learning: Not Just the Facts, Ma`am, but the
... of recent studies has begun to untangle the neural circuitry responsible for monitoring counterfactual outcomes. Here, we summarize several recent complementary discoveries, including a new article in the current issue of PLoS Biology. Neurons in several brain areas that process directly experienced ...
... of recent studies has begun to untangle the neural circuitry responsible for monitoring counterfactual outcomes. Here, we summarize several recent complementary discoveries, including a new article in the current issue of PLoS Biology. Neurons in several brain areas that process directly experienced ...
File - CYPA Psychology
... 57. The two subdivisions of the autonomic nervous system are the ________ and the ________. A) sympathetic nervous system; empathetic nervous system B) central nervous system; parasympathetic nervous system C) sympathetic nervous system; somatic nervous system D) sympathetic nervous system; parasymp ...
... 57. The two subdivisions of the autonomic nervous system are the ________ and the ________. A) sympathetic nervous system; empathetic nervous system B) central nervous system; parasympathetic nervous system C) sympathetic nervous system; somatic nervous system D) sympathetic nervous system; parasymp ...
Nervous System
... 49 ________ is the reabsorption of a neurotransmitter by the neurotransmitter transporter of a pre-synaptic neuron after it has performed its function of transmitting a neural impulse. 50 ________ fluid is a clear bodily fluid that occupies the subarachnoid space and the ventricular system around an ...
... 49 ________ is the reabsorption of a neurotransmitter by the neurotransmitter transporter of a pre-synaptic neuron after it has performed its function of transmitting a neural impulse. 50 ________ fluid is a clear bodily fluid that occupies the subarachnoid space and the ventricular system around an ...
Trichromatic theory of color vision
... constant proportion to the intensity of an initial stimulus. – For example, if you work at the fragrance department of a department store, you will notice the smells of the perfumes immediately. After working there a month, you will not notice the smell any more. This also explains why we often do n ...
... constant proportion to the intensity of an initial stimulus. – For example, if you work at the fragrance department of a department store, you will notice the smells of the perfumes immediately. After working there a month, you will not notice the smell any more. This also explains why we often do n ...
Modeling the brain
... of the remarkable ability of the human to develop new and advanced skills over evolutionary very short periods of time. The combined hypotheses of Neural plasticity and Neural reuse offers a reasonable explanation to social/cultural inheritance. Example: Instead of considering language as a module i ...
... of the remarkable ability of the human to develop new and advanced skills over evolutionary very short periods of time. The combined hypotheses of Neural plasticity and Neural reuse offers a reasonable explanation to social/cultural inheritance. Example: Instead of considering language as a module i ...
11.4: The Peripheral Nervous System
... reduced perception of pain. They can also cause feelings of well-being or euphoria. In addition, increased production of naturally occurring opioids, such as endorphins, affects the prefrontal and limbic regions of the brain, known to be important in processing emotions. It appears that this can imp ...
... reduced perception of pain. They can also cause feelings of well-being or euphoria. In addition, increased production of naturally occurring opioids, such as endorphins, affects the prefrontal and limbic regions of the brain, known to be important in processing emotions. It appears that this can imp ...
Endocrine and Nervous Systems
... hormone called ADH. Your blood carries the ADH to your kidneys, where it signals the kidneys to slow the removal of water from the blood. You also feel thirsty and take a drink of water. When the water level in your body rise, the pituitary slows down and the production of ADH. The kidneys increase ...
... hormone called ADH. Your blood carries the ADH to your kidneys, where it signals the kidneys to slow the removal of water from the blood. You also feel thirsty and take a drink of water. When the water level in your body rise, the pituitary slows down and the production of ADH. The kidneys increase ...
Gray matters: How neuroscience can inform economics
... (Caggiula and Hoebel 1966). Many abused drugs, such as cocaine, amphetamine, heroin, cannabis, and nicotine, lower the threshold at which animals will lever-press for EBS (Wise 1996). Despite its obvious applications to economics, we know of only one EBS study by economists (Green and Rachlin 1991). ...
... (Caggiula and Hoebel 1966). Many abused drugs, such as cocaine, amphetamine, heroin, cannabis, and nicotine, lower the threshold at which animals will lever-press for EBS (Wise 1996). Despite its obvious applications to economics, we know of only one EBS study by economists (Green and Rachlin 1991). ...
Slide 1
... low-amplitude, synchronous waves indicating an “idling” brain • Beta waves (14–30 Hz)—rhythmic, less regular waves occurring when mentally alert • Theta waves (4–7 Hz)—more irregular; common in children and uncommon in adults • Delta waves (4 Hz or less)—high-amplitude waves seen in deep sleep and w ...
... low-amplitude, synchronous waves indicating an “idling” brain • Beta waves (14–30 Hz)—rhythmic, less regular waves occurring when mentally alert • Theta waves (4–7 Hz)—more irregular; common in children and uncommon in adults • Delta waves (4 Hz or less)—high-amplitude waves seen in deep sleep and w ...
neuron is
... Neuron May Fail to Fire • threshold of excitation: (firing threshold) level of “depolarization” that must be reached for neuron to fire • graded potential: stimulation of dendrites was too weak to reach threshold and neuron fails to fire (depolarization just “fades away”) ...
... Neuron May Fail to Fire • threshold of excitation: (firing threshold) level of “depolarization” that must be reached for neuron to fire • graded potential: stimulation of dendrites was too weak to reach threshold and neuron fails to fire (depolarization just “fades away”) ...
LECTURE NOTES
... further stimulate or inhibit skeletal muscles occipital. Each of the four lobes is found at appropriate times to cause movement of in each hemisphere of the brain. body parts into desired positions. The activity of the cerebellum makes rapid and A. The frontal lobe forms the anterior complex muscula ...
... further stimulate or inhibit skeletal muscles occipital. Each of the four lobes is found at appropriate times to cause movement of in each hemisphere of the brain. body parts into desired positions. The activity of the cerebellum makes rapid and A. The frontal lobe forms the anterior complex muscula ...
laboratory one
... body configuration is called “proprioception” and provides sensory information that is crucial in posture control, locomotion, manipulation and dextrous hand control. Proprioceptors in skeletal muscles provide information about the effort exerted by various movement tasks such as grasping, walking o ...
... body configuration is called “proprioception” and provides sensory information that is crucial in posture control, locomotion, manipulation and dextrous hand control. Proprioceptors in skeletal muscles provide information about the effort exerted by various movement tasks such as grasping, walking o ...
8th Grade Information Processing
... - Sensory nerves - carry messages from body to brain (pain, pressure, temperature) - Motor nerves – carry messages from brain to body to respond ...
... - Sensory nerves - carry messages from body to brain (pain, pressure, temperature) - Motor nerves – carry messages from brain to body to respond ...
Music, biological evolution, and the brain.
... behaviors had survival value for our ancestors. This section focuses on the three most prominent adaptationist theories of music, based on sexual selection, parental care, and group cohesion. These theories have been proposed and explored independently, but are not mutually exclusive. Indeed, musica ...
... behaviors had survival value for our ancestors. This section focuses on the three most prominent adaptationist theories of music, based on sexual selection, parental care, and group cohesion. These theories have been proposed and explored independently, but are not mutually exclusive. Indeed, musica ...
Animal Response to Stimuli
... The spinal nerves of the PNS lead into the spinal cord, through the dorsal root into the back of the cord. Note: - (a) the dorsal root ganglion – this contains cell bodies of sensory neurons. The ventral root comes out the front of the cord, contains motor neurons (cell bodies in grey matter) – no g ...
... The spinal nerves of the PNS lead into the spinal cord, through the dorsal root into the back of the cord. Note: - (a) the dorsal root ganglion – this contains cell bodies of sensory neurons. The ventral root comes out the front of the cord, contains motor neurons (cell bodies in grey matter) – no g ...
Silva & White - Walker Bioscience
... • Hebb suggested that this period of recurrent activation repeatedly activates the synapses connecting the neurons, causing the synapses to undergo permanent changes. These changes facilitate future activation of the synapses. • The pattern of permanently facilitated synapses increases the probabil ...
... • Hebb suggested that this period of recurrent activation repeatedly activates the synapses connecting the neurons, causing the synapses to undergo permanent changes. These changes facilitate future activation of the synapses. • The pattern of permanently facilitated synapses increases the probabil ...
Neurotransmitters:
... Finally, The drug Ecstasy is believed to have two effects on your brain cells It causes higher production of serotonin. It blocks the reuptake of serotonin. Use your materials to model how Ecstasy would affect your synapses. We will represent Ecstasy with pushpins. What then is the effect of Ecs ...
... Finally, The drug Ecstasy is believed to have two effects on your brain cells It causes higher production of serotonin. It blocks the reuptake of serotonin. Use your materials to model how Ecstasy would affect your synapses. We will represent Ecstasy with pushpins. What then is the effect of Ecs ...