Nervous - Lamont High
... this was cacao beans from the tree Cacao theobroma • Chocolate causes brain to produce natural opiates • Opiates produce feelings of euphoria, dull pain • 3 substances in choc act as cannabinoids (mimic cannibis (marijuana)) • Active ingredient in marijuana is THC (tetrahydrocannabiol) • When THC bi ...
... this was cacao beans from the tree Cacao theobroma • Chocolate causes brain to produce natural opiates • Opiates produce feelings of euphoria, dull pain • 3 substances in choc act as cannabinoids (mimic cannibis (marijuana)) • Active ingredient in marijuana is THC (tetrahydrocannabiol) • When THC bi ...
CH005a NERVOUS SYS - INTRO 10-22
... Functional classification is usually used to describe how the neurons work within us – see Table 8-1, p156 ...
... Functional classification is usually used to describe how the neurons work within us – see Table 8-1, p156 ...
Chapter 3
... • Inside the neuron has a negative ionic charge • (negative inside/positive outside) = resting potential • Neurons are selectively permeable (usually blocking POSITIVELY charged sodium ions until given the signal to fire • Depolarization occurs when neurons allow sodium ions inside causing neurologi ...
... • Inside the neuron has a negative ionic charge • (negative inside/positive outside) = resting potential • Neurons are selectively permeable (usually blocking POSITIVELY charged sodium ions until given the signal to fire • Depolarization occurs when neurons allow sodium ions inside causing neurologi ...
Neuroscience and Behavior
... Specialization & Integration Brain activity when hearing, seeing, and speaking words ...
... Specialization & Integration Brain activity when hearing, seeing, and speaking words ...
Neuroanatomy PP - Rincon History Department
... Neural communication cont’d The neural membrane only allows certain ions through the membrane. Positively charged sodium and potassium ions and negatively charged chloride ions flow back and forth across the cell membrane, but they do not cross at the same rate. The difference in the flow leads to ...
... Neural communication cont’d The neural membrane only allows certain ions through the membrane. Positively charged sodium and potassium ions and negatively charged chloride ions flow back and forth across the cell membrane, but they do not cross at the same rate. The difference in the flow leads to ...
How To Make a Neuron Model
... 2. Take another pipe cleaner and attach it to the new "cell body" by pushing it through the ball so there are two halves sticking out. Take the two halves and twist them together into a single extension. This will be the axon. ...
... 2. Take another pipe cleaner and attach it to the new "cell body" by pushing it through the ball so there are two halves sticking out. Take the two halves and twist them together into a single extension. This will be the axon. ...
IV. PSYCHOBIOLOGY
... 3. How neurons communicate. b. Importance of neurotransmitters. (Between neuron communication). Synapse: Junction between axon tip of sending neuron and dendrites of receiving neuron. Synaptic Gap - tiny gap between neurons. ...
... 3. How neurons communicate. b. Importance of neurotransmitters. (Between neuron communication). Synapse: Junction between axon tip of sending neuron and dendrites of receiving neuron. Synaptic Gap - tiny gap between neurons. ...
Test Review: Chapter 2 1. The function of
... 8. Increasing excitatory signals above the threshold for neural activation will not affect the intensity of an action potential. This indicates that a neuron's reaction is A) inhibited by the myelin sheath. B) delayed by the refractory period. C) an all-or-none response. D) dependent on neurotransmi ...
... 8. Increasing excitatory signals above the threshold for neural activation will not affect the intensity of an action potential. This indicates that a neuron's reaction is A) inhibited by the myelin sheath. B) delayed by the refractory period. C) an all-or-none response. D) dependent on neurotransmi ...
02QUIZ02 ( 44K)
... knew immediately that the blood clot had affected his left cerebral hemisphere because he no longer recognized a picture of his friend." Should Anton be hired? A) Yes. Anton obviously understands brain structure and function. B) No. The right hemisphere, not the left, specializes in picture recognit ...
... knew immediately that the blood clot had affected his left cerebral hemisphere because he no longer recognized a picture of his friend." Should Anton be hired? A) Yes. Anton obviously understands brain structure and function. B) No. The right hemisphere, not the left, specializes in picture recognit ...
UNIT 3A: Biological Bases of Behavior – Neural Processing and the
... wrinkles by paralyzing the underlying facial muscles. ii. Curare, a poison certain So. American Indians have applied to hunting-dart tips, occupies and blocks ACh receptor sites, leaving the neurotransmitter unable to affect the muscles. The animal is paralyzed. ...
... wrinkles by paralyzing the underlying facial muscles. ii. Curare, a poison certain So. American Indians have applied to hunting-dart tips, occupies and blocks ACh receptor sites, leaving the neurotransmitter unable to affect the muscles. The animal is paralyzed. ...
The Nervous System - Ridgewood High School
... • Once stimulated, a neuron will communicate information about the causative event. – Such neurons are sensory neurons and they provide info about both the internal and external environments. – Sensory neurons (a.k.a. afferent neurons) will send info to neurons in the brain and spinal cord. There, a ...
... • Once stimulated, a neuron will communicate information about the causative event. – Such neurons are sensory neurons and they provide info about both the internal and external environments. – Sensory neurons (a.k.a. afferent neurons) will send info to neurons in the brain and spinal cord. There, a ...
The Nervous System
... 2. Motor neurons: stimulate muscle cells throughout the body includes muscles of the heart, diaphragm, intestines, and bladder ...
... 2. Motor neurons: stimulate muscle cells throughout the body includes muscles of the heart, diaphragm, intestines, and bladder ...
Electrochemical Impulses
... 3. A reversal of charge occurs, called depolarization (this is the ‘firing’ of the neuron) 4. Once the inside of the neuron becomes positive, the Na+ gates close. 5. A Na+ - K+ pump in the cell membrane moves sodium out and potassium in, restoring the resting potential (called re-polarization) ...
... 3. A reversal of charge occurs, called depolarization (this is the ‘firing’ of the neuron) 4. Once the inside of the neuron becomes positive, the Na+ gates close. 5. A Na+ - K+ pump in the cell membrane moves sodium out and potassium in, restoring the resting potential (called re-polarization) ...
Circulatory System Directs blood from the heart to the rest of the
... “Band-Aid” of cells called Schwann Cells. Multiple layers of these cells create a sheath, or covering, around the axon called a myelin sheath. •The myelin sheath, allows for the super-fast conduction of nerve impulses. Nerves that are mylenated appear white. Mylenated nerves are used to send signals ...
... “Band-Aid” of cells called Schwann Cells. Multiple layers of these cells create a sheath, or covering, around the axon called a myelin sheath. •The myelin sheath, allows for the super-fast conduction of nerve impulses. Nerves that are mylenated appear white. Mylenated nerves are used to send signals ...
2016-2017_1stSemester_Exam1_050117_final
... and the caudal part of the ……………………………………. . Glands and smooth muscle receive this regulatory tone directly from ………………………………………………… that are linked to the central units. The efferent segment of the pupillary reflex belongs to this system. Activation of the center called …………………………………………... nucleus ...
... and the caudal part of the ……………………………………. . Glands and smooth muscle receive this regulatory tone directly from ………………………………………………… that are linked to the central units. The efferent segment of the pupillary reflex belongs to this system. Activation of the center called …………………………………………... nucleus ...
The dorsal anterior cingulate cortex ( BA32) in autism: an
... widths and mean percentage cortical depth values were also compared, but showed no significant differences between cohorts. Total mean CV of polygon areas, CV of polygon class sizes and mean point-to-point distances (between nearest neighbouring neurons) did not differ significantly between groups. ...
... widths and mean percentage cortical depth values were also compared, but showed no significant differences between cohorts. Total mean CV of polygon areas, CV of polygon class sizes and mean point-to-point distances (between nearest neighbouring neurons) did not differ significantly between groups. ...
BIO 132
... Most of the cores are found in the central core of the brain and brain stem Each neuron from the core can influence more than 100,000 postsynaptic neurons spread all over the brain The synapses are not terminal but rather run along axons (called boutons en passant) Each system only modulates the act ...
... Most of the cores are found in the central core of the brain and brain stem Each neuron from the core can influence more than 100,000 postsynaptic neurons spread all over the brain The synapses are not terminal but rather run along axons (called boutons en passant) Each system only modulates the act ...
Olfactory processing: maps, time and codes Gilles Laurent
... degree, static, such as a short odor puff. Recent work on olfactory processing in insects from my laboratory [38,39••–41••,42,43] suggests that information about odor identity can indeed be obtained by considering not only the ‘spatial’ component of the response of ensembles of neurons (i.e. which n ...
... degree, static, such as a short odor puff. Recent work on olfactory processing in insects from my laboratory [38,39••–41••,42,43] suggests that information about odor identity can indeed be obtained by considering not only the ‘spatial’ component of the response of ensembles of neurons (i.e. which n ...
Chapter 3
... This causes sodium and potassium channels to open, thus propelling the electrochemical process down the axon. ...
... This causes sodium and potassium channels to open, thus propelling the electrochemical process down the axon. ...
The biology of time across different scales
... at fixed points heading toward each other provides a measure of their relative starting times, the brain uses the intersection point between action potentials coming from the different ears to determine which started first. The key to this ...
... at fixed points heading toward each other provides a measure of their relative starting times, the brain uses the intersection point between action potentials coming from the different ears to determine which started first. The key to this ...
Chapter 7: The Nervous System
... B. Neurons- excitable little cells that make use of their potential! C. Functional Properties of Neurons 1. Irritability- neurons have the ability to respond to a stimulus 2. Conductivity- the ability to transmit an impulse 3. The plasma membrane at rest is polarized, this is called the Resting pot ...
... B. Neurons- excitable little cells that make use of their potential! C. Functional Properties of Neurons 1. Irritability- neurons have the ability to respond to a stimulus 2. Conductivity- the ability to transmit an impulse 3. The plasma membrane at rest is polarized, this is called the Resting pot ...
Slide ()
... A perceptron implementing the Hubel-Wiesel model of selectivity and invariance. The network in Figure E–2C can be extended to grids of many cells by specifying synaptic connectivity at all locations in the visual field. The resulting network can be repeated four times, one for each preferred orienta ...
... A perceptron implementing the Hubel-Wiesel model of selectivity and invariance. The network in Figure E–2C can be extended to grids of many cells by specifying synaptic connectivity at all locations in the visual field. The resulting network can be repeated four times, one for each preferred orienta ...