Sensory feedback for upper limb prostheses
... and texture (SA1). The RA afferents are highly sensitive to minute movements on the skin, sense when objects begin to slip in the hand, and provide sensory feedback to the user about increasing grip force. Clearly, this afferent system is important if the prosthesis is to be used to grasp and lift o ...
... and texture (SA1). The RA afferents are highly sensitive to minute movements on the skin, sense when objects begin to slip in the hand, and provide sensory feedback to the user about increasing grip force. Clearly, this afferent system is important if the prosthesis is to be used to grasp and lift o ...
Zmysły chemiczne
... species. There are alarm pheromones, food trail pheromones, sex pheromones, and many others. They are known to be used especially by insects. No pheromonal substance has ever been demonstrated to directly influence human behavior in a peer reviewed study. Yet some studies (McClintock, 1971) suggest ...
... species. There are alarm pheromones, food trail pheromones, sex pheromones, and many others. They are known to be used especially by insects. No pheromonal substance has ever been demonstrated to directly influence human behavior in a peer reviewed study. Yet some studies (McClintock, 1971) suggest ...
Chapter 16: Neural Integration II: The Autonomic Nervous System
... Sympathetic Division • Does not “Kick in” only during exertion, stress, or emergency (common misconception) • Some aspects of the system are functioning in visceral reflexes for normal activity. (pupil dilation and water balance, for instance) ...
... Sympathetic Division • Does not “Kick in” only during exertion, stress, or emergency (common misconception) • Some aspects of the system are functioning in visceral reflexes for normal activity. (pupil dilation and water balance, for instance) ...
Slide 1
... response in contralateral muscles • Latency depends on corticospinal distance impulses have to travel ...
... response in contralateral muscles • Latency depends on corticospinal distance impulses have to travel ...
12-1 Test Bank Huether and McCance: Understanding
... Astrocytes are neuroglial cells and do not have phagocytic properties. Ependymal cells are neuroglial cells and do not have phagocytic properties. Schwann cells help form the myelin sheath in the peripheral nervous system (PNS). REF: p. 296 7. Which answer indicates a nurse understands regeneration ...
... Astrocytes are neuroglial cells and do not have phagocytic properties. Ependymal cells are neuroglial cells and do not have phagocytic properties. Schwann cells help form the myelin sheath in the peripheral nervous system (PNS). REF: p. 296 7. Which answer indicates a nurse understands regeneration ...
When Is an Adolescent an Adult? - Waisman Laboratory for Brain
... subjects with usable imaging and behavioral data. We examined responses to the debriefing questions and the SCR data to assess the efficacy of our emotionalstate manipulation. A 1-Hz filter was applied to the raw SCR data. Data were smoothed for each subject. Six subjects had no SCR data because of ...
... subjects with usable imaging and behavioral data. We examined responses to the debriefing questions and the SCR data to assess the efficacy of our emotionalstate manipulation. A 1-Hz filter was applied to the raw SCR data. Data were smoothed for each subject. Six subjects had no SCR data because of ...
Neurotransmitter Parameter Definitions
... remove it from the synapse and the extraneuronal space and return it to the presynaptic dopaminergic neuron or adjacent noradrenergic neurons. Some of the enzymes that degrade dopamine are only found in specific regions of the body. As such some dopamine metabolites are only produced in specific tis ...
... remove it from the synapse and the extraneuronal space and return it to the presynaptic dopaminergic neuron or adjacent noradrenergic neurons. Some of the enzymes that degrade dopamine are only found in specific regions of the body. As such some dopamine metabolites are only produced in specific tis ...
Asynchronous state
... This was noticed for sparse networks by van Vreeswijk & Sompolinsky (1998). It also holds for dense networks: Because each neuron receives ∼ O(N) synaptic inputs, but only ∼O(√N) are enough to make it fire, the net magnitude of the total excitation and inhibition felt by the neurons is very large co ...
... This was noticed for sparse networks by van Vreeswijk & Sompolinsky (1998). It also holds for dense networks: Because each neuron receives ∼ O(N) synaptic inputs, but only ∼O(√N) are enough to make it fire, the net magnitude of the total excitation and inhibition felt by the neurons is very large co ...
Studies of the Role of the Paramedian Pontine Reticular Formation
... that reversible inactivation of cells in PPRF should affect primarily horizontal movements and that alterations in the accuracy or speed of saccades to vertical targets would be small. Reversible lesions were produced using the recording/injection probe developed by Malpeli and Schiller18 and was ac ...
... that reversible inactivation of cells in PPRF should affect primarily horizontal movements and that alterations in the accuracy or speed of saccades to vertical targets would be small. Reversible lesions were produced using the recording/injection probe developed by Malpeli and Schiller18 and was ac ...
Amyloid inhibits retinoic acid synthesis exacerbating Alzheimer
... & Turner, 2002). Therefore, an ideal therapeutic agent would be one that prevents the ‘activation’ of microglia as well as stimulating the IDE and NEP pathways in both microglia and neurons. Although the aetiology of non-familial AD remains unclear, previous work has suggested that a deficit in retin ...
... & Turner, 2002). Therefore, an ideal therapeutic agent would be one that prevents the ‘activation’ of microglia as well as stimulating the IDE and NEP pathways in both microglia and neurons. Although the aetiology of non-familial AD remains unclear, previous work has suggested that a deficit in retin ...
TINS04
... origin. Extrapolated to dyslexia, these findings suggest that the neural basis of the phonological deficit may be primary, while the neural basis for sensory impairments would be secondary. Another interesting aspect uncovered in these studies is that only male rats and mice were initially found to ...
... origin. Extrapolated to dyslexia, these findings suggest that the neural basis of the phonological deficit may be primary, while the neural basis for sensory impairments would be secondary. Another interesting aspect uncovered in these studies is that only male rats and mice were initially found to ...
Retinal ganglion cell synchronization by fixational eye movements
... These results show that transforming an originally stationary image into one that varies spatiotemporally—thus mimicking real fixational eye movements—enhances retinal activity. Single-unit response profiles to fixational movements For the analysis of single-unit activity, we used idealized step-li ...
... These results show that transforming an originally stationary image into one that varies spatiotemporally—thus mimicking real fixational eye movements—enhances retinal activity. Single-unit response profiles to fixational movements For the analysis of single-unit activity, we used idealized step-li ...
Untitled
... Gamma-aminobutyric acid (GABA) is predominantly released by local interneurons in the cerebral cortex to particular subcellular domains of the target cells. This suggests that compartmentalized, synapse specific action of GABA is required in cortical networks for phasic inhibition. However, GABA rel ...
... Gamma-aminobutyric acid (GABA) is predominantly released by local interneurons in the cerebral cortex to particular subcellular domains of the target cells. This suggests that compartmentalized, synapse specific action of GABA is required in cortical networks for phasic inhibition. However, GABA rel ...
Models of signal processing in human hearing
... respect to maxima and minima of the specific loudness values. It is assumed that the fluctuations can be detected if the difference between the extremes is at least N .5 A comparison of simulation results and measurements for just-noticeable amplitude differences and amplitude modulations is shown ...
... respect to maxima and minima of the specific loudness values. It is assumed that the fluctuations can be detected if the difference between the extremes is at least N .5 A comparison of simulation results and measurements for just-noticeable amplitude differences and amplitude modulations is shown ...
Neural predictors of evaluative attitudes toward
... members from the 10 members used in the fMRI task were presented on the computer screen (Figure 1b), and participants were asked to select the one they want to vote for at the next election event by pressing one of two keys on the keyboard. There were 45 unique choice pairs, and each pair was presen ...
... members from the 10 members used in the fMRI task were presented on the computer screen (Figure 1b), and participants were asked to select the one they want to vote for at the next election event by pressing one of two keys on the keyboard. There were 45 unique choice pairs, and each pair was presen ...
Regional brain activation in conscious, nonrestrained
... preclinical and clinical models, and to evaluate the relevance of CRD animal models for human conditions, it is imperative to investigate whether or not CRD activates similar brain regions in animals as has been reported in humans. To date, the majority of human studies in this field have used disten ...
... preclinical and clinical models, and to evaluate the relevance of CRD animal models for human conditions, it is imperative to investigate whether or not CRD activates similar brain regions in animals as has been reported in humans. To date, the majority of human studies in this field have used disten ...
Alterations in white matter fractional anisotropy in subsyndromal perimenopausal depression Open Access
... such as vasomotor symptoms, sleep disturbance, stressful life events, personal psychosocial features, and endocrine changes [1,4,5], few studies have focused on the structural or functional brain aberrancies of perimenopausal depression. In addition to depressive disorders, such as MDD and dysthymia ...
... such as vasomotor symptoms, sleep disturbance, stressful life events, personal psychosocial features, and endocrine changes [1,4,5], few studies have focused on the structural or functional brain aberrancies of perimenopausal depression. In addition to depressive disorders, such as MDD and dysthymia ...
Chapter 13: The Spinal Cord, Spinal Nerves, and Spinal
... • Describe the two major groups of receptors and their subtypes (and their usual ligands.) • Distinguish between receptor stimulation and cell stimulation. ...
... • Describe the two major groups of receptors and their subtypes (and their usual ligands.) • Distinguish between receptor stimulation and cell stimulation. ...
A Brief History of the Reticular Formation
... The electrical stimulation experiments of the mammalian reticular formation by Hess inspired fellow Germans Eric von Holst and Ursula von Saint-Paul to try the same procedure in chickens with their report appearing in English in 1961. Since birds do not have a large cerbral cortex to plan motor acti ...
... The electrical stimulation experiments of the mammalian reticular formation by Hess inspired fellow Germans Eric von Holst and Ursula von Saint-Paul to try the same procedure in chickens with their report appearing in English in 1961. Since birds do not have a large cerbral cortex to plan motor acti ...
Broca`s aphasia
... during Tan-Tan’s autopsy – and did not compensate for the destruction of the contralateral area. Broca was perfectly aware of such an incongruity. Indeed, he would return to the unilateral localisation of the language centre on several occasions, publishing eleven notes on the subject between 1861 a ...
... during Tan-Tan’s autopsy – and did not compensate for the destruction of the contralateral area. Broca was perfectly aware of such an incongruity. Indeed, he would return to the unilateral localisation of the language centre on several occasions, publishing eleven notes on the subject between 1861 a ...
Structure and function in the cerebral ganglion
... that some procerebral neurons are true projection neurons. They receive functional inputs within the procerebrum and they transmit to locations outside the procerebrum, presumably in a manner that generates behaviors appropriate to the olfactory signal. Other cells have neurites that are confined to ...
... that some procerebral neurons are true projection neurons. They receive functional inputs within the procerebrum and they transmit to locations outside the procerebrum, presumably in a manner that generates behaviors appropriate to the olfactory signal. Other cells have neurites that are confined to ...
L13 - Cranial nerve VIII
... from the vestibular nuclei project to number of other regions for the control of posture, maintenance of equilibrium, co-ordination of head & eye movements and the conscious awareness of vestibular stimulation . ...
... from the vestibular nuclei project to number of other regions for the control of posture, maintenance of equilibrium, co-ordination of head & eye movements and the conscious awareness of vestibular stimulation . ...