Chapter 12- Intro to NS
... A. The Neuron- these types of cells are excitable and can send an impulse (electrical signal). Neurons have three major parts: cell body, dendrites, axon. These cells live for many years, do not under mitosis, and are highly dependant on oxygen due to a high metabolic rate. 1. The cell body (soma)- ...
... A. The Neuron- these types of cells are excitable and can send an impulse (electrical signal). Neurons have three major parts: cell body, dendrites, axon. These cells live for many years, do not under mitosis, and are highly dependant on oxygen due to a high metabolic rate. 1. The cell body (soma)- ...
Sample pages 2 PDF
... Different areas of the brain are given names, somewhat like other structures in the body such as the lungs or stomach. Sometimes a structure has a straightforward name that reflects the shape of the structure, such as the olfactory bulb, which is an organ with an elongated, rounded shape, or the amy ...
... Different areas of the brain are given names, somewhat like other structures in the body such as the lungs or stomach. Sometimes a structure has a straightforward name that reflects the shape of the structure, such as the olfactory bulb, which is an organ with an elongated, rounded shape, or the amy ...
Concept Mapping Back Print
... A fibers. Motor impulses to skeletal muscles are also carried by A fibers. These types of impulses relay information about the external surroundings and how the body will respond to external stimuli. The speed with which these impulses are carried could reduce the incidence of injury to the body by ...
... A fibers. Motor impulses to skeletal muscles are also carried by A fibers. These types of impulses relay information about the external surroundings and how the body will respond to external stimuli. The speed with which these impulses are carried could reduce the incidence of injury to the body by ...
NeuralCell-Neurons.stud
... • Cell body (soma; perikaryon) • Axon : only one (branches are collaterals; terminals are end feet) • Dendrites : much shorter; one or more than one; branch extensively into dendritic trees Axon Hillock ...
... • Cell body (soma; perikaryon) • Axon : only one (branches are collaterals; terminals are end feet) • Dendrites : much shorter; one or more than one; branch extensively into dendritic trees Axon Hillock ...
How Do Short-Term Changes at Synapses Fine
... Remarkably, the synapses formed by a single cell onto different target neurons can show different plasticity. This phenomenon was discovered in cerebral cortex (Reyes et al., 1998) and is called “target cell-specific synaptic plasticity.” This phenomenon indicates that Pr is regulated by communicati ...
... Remarkably, the synapses formed by a single cell onto different target neurons can show different plasticity. This phenomenon was discovered in cerebral cortex (Reyes et al., 1998) and is called “target cell-specific synaptic plasticity.” This phenomenon indicates that Pr is regulated by communicati ...
Psychology Lecture 02 - Biological Basis
... Medulla and Pons Sensory input from head and sends impulses from motor control of head Axons control heart rate other life preserving functions Systems that regulate brain arousal (reticular formation) Malfunction in one of these systems may lead to sleepiness or being persistently aroused Cerebellu ...
... Medulla and Pons Sensory input from head and sends impulses from motor control of head Axons control heart rate other life preserving functions Systems that regulate brain arousal (reticular formation) Malfunction in one of these systems may lead to sleepiness or being persistently aroused Cerebellu ...
nervous system
... and tiny hairs. Only these hairs are not responsible for hearing, but for balance. As you move, the fluid in the canals causes the hairs to bend in response to gravity. The way the hairs bend sends signals to the brain that allows us to achieve balance and equilibrium. ...
... and tiny hairs. Only these hairs are not responsible for hearing, but for balance. As you move, the fluid in the canals causes the hairs to bend in response to gravity. The way the hairs bend sends signals to the brain that allows us to achieve balance and equilibrium. ...
Ch 2 Physiology - Texas A&M University
... Basically there are two types of neuro-transmitters. One that sends excitatory (+) signals (transmitter), and the other that sends inhibitory (-) signals. ...
... Basically there are two types of neuro-transmitters. One that sends excitatory (+) signals (transmitter), and the other that sends inhibitory (-) signals. ...
Resting Potential
... chemically gated channels (as opposed to those that are voltage-gated & are involved in sending A.P.) • Changes in chem. gated channels create local changes called synaptic potentials (a small, temporary change in the potential charge of a neuron) • They allow one neuron to influence another ...
... chemically gated channels (as opposed to those that are voltage-gated & are involved in sending A.P.) • Changes in chem. gated channels create local changes called synaptic potentials (a small, temporary change in the potential charge of a neuron) • They allow one neuron to influence another ...
Drugs and the Brain
... The limbic system contains the brain's reward circuit - it links together a number of brain structures that control and regulate our ability to feel pleasure. Feeling pleasure motivates us to repeat behaviors such as eating - actions that are critical to our existence. The limbic system is activated ...
... The limbic system contains the brain's reward circuit - it links together a number of brain structures that control and regulate our ability to feel pleasure. Feeling pleasure motivates us to repeat behaviors such as eating - actions that are critical to our existence. The limbic system is activated ...
Central Nervous System
... the central nervous system. These nerves coordinate messages between all parts of the body and the central nervous system (brain and spine) ...
... the central nervous system. These nerves coordinate messages between all parts of the body and the central nervous system (brain and spine) ...
Define functional MRI. Briefly describe fMRI image acquisition
... Figure 1. Image shows language processing areas of the brain, including Broca area (blue), located in Brodmann areas (BAs) 44 and 45; and Wernicke area (yellow), located in BAs 22, 37, 39, and 40. a.g. = angular gyrus, m.t.g. = middle temporal gyrus, p.o. ... ...
... Figure 1. Image shows language processing areas of the brain, including Broca area (blue), located in Brodmann areas (BAs) 44 and 45; and Wernicke area (yellow), located in BAs 22, 37, 39, and 40. a.g. = angular gyrus, m.t.g. = middle temporal gyrus, p.o. ... ...
acetylcholine
... Although dopamine is synthesized by only several hundred thousand cells, it fulfils an exceedingly important role in the higher parts of the CNS. These dopaminergic neurons can be divided into three subgroups with different functions. The first group regulates movements: a deficit of dopamine in thi ...
... Although dopamine is synthesized by only several hundred thousand cells, it fulfils an exceedingly important role in the higher parts of the CNS. These dopaminergic neurons can be divided into three subgroups with different functions. The first group regulates movements: a deficit of dopamine in thi ...
Chapter 9
... ideas, and storing memory. Association areas of the frontal lobe control a number of higher intellectual processes. A general interpretive area is found at the junction of the parietal, temporal, and occipital lobes, and plays the primary role in complex thought processing. Hemisphere Dominance Both ...
... ideas, and storing memory. Association areas of the frontal lobe control a number of higher intellectual processes. A general interpretive area is found at the junction of the parietal, temporal, and occipital lobes, and plays the primary role in complex thought processing. Hemisphere Dominance Both ...
Brain Functions
... hearing, memory, meaning, and language. They also play a role in emotion and learning. The temporal lobes are concerned with interpreting and processing auditory stimuli. ...
... hearing, memory, meaning, and language. They also play a role in emotion and learning. The temporal lobes are concerned with interpreting and processing auditory stimuli. ...
biological bases of behavior
... 1. Neurons are surrounded by a membrane. 2. Neurons have a nucleus that contains genes. 3. Neurons contain cytoplasm, mitochondria and other "organelles". However, neurons differ from other cells in the body in some ways such as: 1. Neurons have specialized projections called dendrites and axons. De ...
... 1. Neurons are surrounded by a membrane. 2. Neurons have a nucleus that contains genes. 3. Neurons contain cytoplasm, mitochondria and other "organelles". However, neurons differ from other cells in the body in some ways such as: 1. Neurons have specialized projections called dendrites and axons. De ...
Anatomy and Physiology Chapter 19 Neurological System
... • A nerve can only transmit impulses in only one direction because of the location of neurotransmitters. These are chemicals that the axon releases to allow nerve impulses to cross the synapse and reach the next nerves dendrites. The dendrites release opposing chemicals to slow down impulses. • Neu ...
... • A nerve can only transmit impulses in only one direction because of the location of neurotransmitters. These are chemicals that the axon releases to allow nerve impulses to cross the synapse and reach the next nerves dendrites. The dendrites release opposing chemicals to slow down impulses. • Neu ...
Neurophysiology Worksheet
... ’propagate along the demyelinated axon; therefore, the muscle is not stimulated, leading to paralysis. Eventually, the muscles atrophy because of a lack of adequate activity involving contraction. ...
... ’propagate along the demyelinated axon; therefore, the muscle is not stimulated, leading to paralysis. Eventually, the muscles atrophy because of a lack of adequate activity involving contraction. ...
Slide 1
... • When dopamine levels begin to neutralize the individual taking the drug begins to “lose” the high they experienced • If the individual chooses to use again then the dopamine level returns to being increased at the synapse • When an individual does this repeatedly, as with addiction, our neurons be ...
... • When dopamine levels begin to neutralize the individual taking the drug begins to “lose” the high they experienced • If the individual chooses to use again then the dopamine level returns to being increased at the synapse • When an individual does this repeatedly, as with addiction, our neurons be ...
(1 Mark).
... perceptual anomalies including motion-after effect, change blindness and synaesthesia ...
... perceptual anomalies including motion-after effect, change blindness and synaesthesia ...
Chapter 2 - Biological Basis of Behavior
... information to the cerebellum, which has to choose whether to move away, duck, or put a hand up to catch the ball. It finally decides that you should catch it—after all, you’re wearing your baseball glove! The cerebellum sends this decision as message through other nerves to the arm and hand, activa ...
... information to the cerebellum, which has to choose whether to move away, duck, or put a hand up to catch the ball. It finally decides that you should catch it—after all, you’re wearing your baseball glove! The cerebellum sends this decision as message through other nerves to the arm and hand, activa ...
Answers to Test Your Knowledge questions for
... Neurotransmitter would be employed where ballistic action is called for as in the brain rapidly instigating a response or in inhibiting a response. Neuromodulation would be involved, for example, where a reflex is sensitized by an input outside the direct stimulusresponse link. With reference to Fig ...
... Neurotransmitter would be employed where ballistic action is called for as in the brain rapidly instigating a response or in inhibiting a response. Neuromodulation would be involved, for example, where a reflex is sensitized by an input outside the direct stimulusresponse link. With reference to Fig ...
Serotonin, also known as 5-HT (5
... Different neurotransmitters are found in different parts of the nervous system. Serotonin is found in parts of the brain associated with memory, emotions, and feelings. It is also important for body temperature regulation among other things. MDMA or ecstasy causes the rapid release of serotonin from ...
... Different neurotransmitters are found in different parts of the nervous system. Serotonin is found in parts of the brain associated with memory, emotions, and feelings. It is also important for body temperature regulation among other things. MDMA or ecstasy causes the rapid release of serotonin from ...
Chapter 19 The Neurological System
... 1. Is the part of the ANS that causes the body to respond in an emergency. Senses are greatly increased to respond to stimuli. B. The Parasympathetic Division 1. Generally produces normal body functions of the body while it is at rest and brings the body back to normal after an emergency. ...
... 1. Is the part of the ANS that causes the body to respond in an emergency. Senses are greatly increased to respond to stimuli. B. The Parasympathetic Division 1. Generally produces normal body functions of the body while it is at rest and brings the body back to normal after an emergency. ...
FIGURE LEGENDS FIGURE 51.1 Normal and pathological brain
... (and preceded) by a strong increase in firing rate. From N. Logothetis (private communication) as modified by Koch (2004). FIGURE 51.5 The Effect of Visual Masking. The brain’s response to seen and unseen words. Volunteers looked at a stream of briefly flashed images. No words were seen in the right ...
... (and preceded) by a strong increase in firing rate. From N. Logothetis (private communication) as modified by Koch (2004). FIGURE 51.5 The Effect of Visual Masking. The brain’s response to seen and unseen words. Volunteers looked at a stream of briefly flashed images. No words were seen in the right ...