Deficient Fear Conditioning in Psychopathy
... with paired presentations of CS⫹ and US and 16 trials of CS− alone), and extinction (like habituation) that occurred successively. The CS was presented for 7.05 seconds; the US (painful pressure) lasted for 10 milliseconds and was terminated together with the CS⫹. The US was applied using a plastic ...
... with paired presentations of CS⫹ and US and 16 trials of CS− alone), and extinction (like habituation) that occurred successively. The CS was presented for 7.05 seconds; the US (painful pressure) lasted for 10 milliseconds and was terminated together with the CS⫹. The US was applied using a plastic ...
A Neuron Play - Web Adventures
... potential is initiated. Furthermore, the magnitude of the action potential of a specific neuron is always the same. Neurons are separated by a gap (synapse) that the action potential cannot cross. Once the action potential reaches the end of an axon (its terminal), it stimulates the release of chemi ...
... potential is initiated. Furthermore, the magnitude of the action potential of a specific neuron is always the same. Neurons are separated by a gap (synapse) that the action potential cannot cross. Once the action potential reaches the end of an axon (its terminal), it stimulates the release of chemi ...
KIDS, Inc. - School Neuropsychology
... through the pons to the cerebellum. • The cerebellum projects through the thalamus to the same cortical areas from which it receives input, including frontal, parietal, and superior temporal cortices. ...
... through the pons to the cerebellum. • The cerebellum projects through the thalamus to the same cortical areas from which it receives input, including frontal, parietal, and superior temporal cortices. ...
Stress induces atrophy of apical dendrites of hippocampal CA3
... restraint stress for 3 weeks resalted in significant decreases in both the total dendritic length (Fig. 2A; P < 0.05) and in the number of branch points (Fig. 2B; P < 0.05) in the apical dendritic trees of Golgi-impregnated CA3 pyramidal cells in 100-~zm-th,.'cksections. In contrast, CA3 pyramidal c ...
... restraint stress for 3 weeks resalted in significant decreases in both the total dendritic length (Fig. 2A; P < 0.05) and in the number of branch points (Fig. 2B; P < 0.05) in the apical dendritic trees of Golgi-impregnated CA3 pyramidal cells in 100-~zm-th,.'cksections. In contrast, CA3 pyramidal c ...
NSCI 525 RWood 1-22-15
... activational effects in adulthood. For example, monthly menses in women represents the combination of organizational effects (development of a uterus) and activational effects (cyclic secretion of estradiol and progesterone). Because he lacks a uterus, reproducing the same pattern of hormones in a ...
... activational effects in adulthood. For example, monthly menses in women represents the combination of organizational effects (development of a uterus) and activational effects (cyclic secretion of estradiol and progesterone). Because he lacks a uterus, reproducing the same pattern of hormones in a ...
14.FARS 3.Synthetic PET(2001) - University of Southern California
... simulated activity of the neurons in models of interacting brain regions based on, say, single-cell recordings in behaving monkeys ...
... simulated activity of the neurons in models of interacting brain regions based on, say, single-cell recordings in behaving monkeys ...
module 6 - sandrablake
... a neuron always fires with the same intensity no matter what the stimulation is. It doesn’t matter if there is a strong stimulation or weak stimulation at the cell’s dendrites. As long as there is enough energy to trigger the neuron, it will fire with the same intensity. Read the comparison of a neu ...
... a neuron always fires with the same intensity no matter what the stimulation is. It doesn’t matter if there is a strong stimulation or weak stimulation at the cell’s dendrites. As long as there is enough energy to trigger the neuron, it will fire with the same intensity. Read the comparison of a neu ...
The Brain of the Planarian as the Ancestor of the Human Brain
... spineless dendrites arising from typical invertebrate neurons, since slow waves of vertebrates correlate with ramification of dendrites and proliferation of axodendritic synapses. Polyclad flatworms, the planarians with the most complex nervous systems, have cerebral neurons also generating spontane ...
... spineless dendrites arising from typical invertebrate neurons, since slow waves of vertebrates correlate with ramification of dendrites and proliferation of axodendritic synapses. Polyclad flatworms, the planarians with the most complex nervous systems, have cerebral neurons also generating spontane ...
Optogenetic Functional Magnetic Resonance Imaging (ofMRI
... are capable of triggering BOLD responses, placing limitations on interpretation for both clinical and scientific applications. For example, it is sometimes assumed that positive BOLD signals can be triggered by increased excitatory activity within a structure, but this remains to be formally and cau ...
... are capable of triggering BOLD responses, placing limitations on interpretation for both clinical and scientific applications. For example, it is sometimes assumed that positive BOLD signals can be triggered by increased excitatory activity within a structure, but this remains to be formally and cau ...
f19c623c99fc721
... -Patients complain of stiffness & inability to relax -Muscles become permanently "tight" or spastic. When there is a loss of descending inhibition from the brain to ...
... -Patients complain of stiffness & inability to relax -Muscles become permanently "tight" or spastic. When there is a loss of descending inhibition from the brain to ...
Diffusion-Weighted MR Imaging in Brain Tumor
... 22 MAGNETOM Flash · 2/2008 · www.siemens.com/magnetom-world ...
... 22 MAGNETOM Flash · 2/2008 · www.siemens.com/magnetom-world ...
The Nervous System Epilepsy
... Epilepsy: Current Research ● Each year NIH spends over $30 billion on research and but less than 1% is spent on epilepsy ● A genetic mutation found in the heart had been identified to cause severe and potentially deadly seizures ● CURE: addresses prevention, advancement of the search for the cure, ...
... Epilepsy: Current Research ● Each year NIH spends over $30 billion on research and but less than 1% is spent on epilepsy ● A genetic mutation found in the heart had been identified to cause severe and potentially deadly seizures ● CURE: addresses prevention, advancement of the search for the cure, ...
Compared to other cortical areas, muscle contraction is most easily
... long-term effects are less pronounced than often assumed. Careful testing is required to discern long-term motor deficits and, although much emphasis has been placed on species differences, comparable deficits follow pyramidal-tract transections in macaque monkeys, marsupial phalangers, rats, and ha ...
... long-term effects are less pronounced than often assumed. Careful testing is required to discern long-term motor deficits and, although much emphasis has been placed on species differences, comparable deficits follow pyramidal-tract transections in macaque monkeys, marsupial phalangers, rats, and ha ...
Pontine tegmental cap dysplasia
... findings are: vermal hypoplasia, subtotal absence of middle cerebellar peduncles, flattened ventral pons, vaulted pontine tegmentum, molar tooth aspect of the pontomesencephalic junction and absent inferior olivary prominence. Peripheral hearing impairment is present in all.Variable findings are: ho ...
... findings are: vermal hypoplasia, subtotal absence of middle cerebellar peduncles, flattened ventral pons, vaulted pontine tegmentum, molar tooth aspect of the pontomesencephalic junction and absent inferior olivary prominence. Peripheral hearing impairment is present in all.Variable findings are: ho ...
Testing upper motor neuron function in amyotrophic lateral sclerosis
... contrast is potentially very effective for exploring neuronal interconnection dysfunction in amyotrophic lateral sclerosis, but still needs more investigation; and novel neuroinflammatory and inhibitory positron emission tomography ligands might have utility in the future (Turner, 2012). However, ex ...
... contrast is potentially very effective for exploring neuronal interconnection dysfunction in amyotrophic lateral sclerosis, but still needs more investigation; and novel neuroinflammatory and inhibitory positron emission tomography ligands might have utility in the future (Turner, 2012). However, ex ...
reward and reinforcement i
... Dopamine is involved in positive reinforcement A variety of data, both in animals and humans, implicate an involvement of dopamine (DA) in the positive reinforcement process, especially in relation to the mesocorticolimbic DA system, and the nucleus accumbens in particular. Recall from your study of ...
... Dopamine is involved in positive reinforcement A variety of data, both in animals and humans, implicate an involvement of dopamine (DA) in the positive reinforcement process, especially in relation to the mesocorticolimbic DA system, and the nucleus accumbens in particular. Recall from your study of ...
Assessing facial attractiveness: individual decisions and
... five images (same- and opposite-sex attractive and less attractive faces, and a scrambled non-face image) in a pseudo-randomized order. Facial images were presented for 2000 ms with varying interstimulus intervals, the distribution of which was skewed toward shorter times (range: 150010000 ms, mean ...
... five images (same- and opposite-sex attractive and less attractive faces, and a scrambled non-face image) in a pseudo-randomized order. Facial images were presented for 2000 ms with varying interstimulus intervals, the distribution of which was skewed toward shorter times (range: 150010000 ms, mean ...
Huntington disease models and human neuropathology: similarities
... apparently participate to the pathogenesis of polyglutaminopathies. Neuronal, nuclear inclusions and neuropil aggregates in postmortem brains of HD patients and in several mouse models were shown to contain short N-terminal fragments of htt [19, 111]. Therefore, proteolysis (e.g., at the caspase-6 c ...
... apparently participate to the pathogenesis of polyglutaminopathies. Neuronal, nuclear inclusions and neuropil aggregates in postmortem brains of HD patients and in several mouse models were shown to contain short N-terminal fragments of htt [19, 111]. Therefore, proteolysis (e.g., at the caspase-6 c ...
Frankland lecture FINAL
... ensembles) that are active during encoding increased synaptic strength between these neurons increases likelihood that same spatiotemporal pattern of activity that occurred at encoding is recreated at later times (i.e., retrieval) ...
... ensembles) that are active during encoding increased synaptic strength between these neurons increases likelihood that same spatiotemporal pattern of activity that occurred at encoding is recreated at later times (i.e., retrieval) ...
17-1 Chapter 17 ACTIVITIES INVOLVING THE CEREBRAL
... Emotion is another of the behaviors for which there is really no satisfactory definition. It has both unobservable internal and observable external aspects. It is a cognitive process in that one must perceive the causative situation and evaluate it in light of past experience and cultural variables ...
... Emotion is another of the behaviors for which there is really no satisfactory definition. It has both unobservable internal and observable external aspects. It is a cognitive process in that one must perceive the causative situation and evaluate it in light of past experience and cultural variables ...
Diseases of the Basal Ganglia
... Each circuit contains a number of highly specialized channels and sub-channels that permit parallel, multilevel processing of a vast number of variables to process concurrently. Within the "motor" circuit for example, a well defined somatotopy is maintained throughout all stages of the circuit, ther ...
... Each circuit contains a number of highly specialized channels and sub-channels that permit parallel, multilevel processing of a vast number of variables to process concurrently. Within the "motor" circuit for example, a well defined somatotopy is maintained throughout all stages of the circuit, ther ...
Chapter 11: Sex differences in spatial intelligence
... Various lines of research support the notion that we have a specialised brain region for processing faces. Neurons in monkeys appear to be selectively responsive to faces, patients with prosopagnosia are unable to recognise familiar faces (but can recognise other objects and can identify features of ...
... Various lines of research support the notion that we have a specialised brain region for processing faces. Neurons in monkeys appear to be selectively responsive to faces, patients with prosopagnosia are unable to recognise familiar faces (but can recognise other objects and can identify features of ...