Somatosensory cortex functional connectivity
... better understand the aetiology of ASD. One emergent direction for the identification of objective biomarkers is based on functional connectivity in the brains of individuals with ASD. Abundant evidence suggests that ASD is associated with functional abnormalities in cortical processing, including ab ...
... better understand the aetiology of ASD. One emergent direction for the identification of objective biomarkers is based on functional connectivity in the brains of individuals with ASD. Abundant evidence suggests that ASD is associated with functional abnormalities in cortical processing, including ab ...
Prefrontal Phase Locking to Hippocampal Theta Oscillations
... neurons in the same frequency range. Theta oscillations are not constant in frequency but show a pattern of small frequency fluctuations over time, which we refer to as the microstructure of the theta rhythm. Because of such frequency fluctuations, a neuron with rhythmic firing at a fixed frequency ...
... neurons in the same frequency range. Theta oscillations are not constant in frequency but show a pattern of small frequency fluctuations over time, which we refer to as the microstructure of the theta rhythm. Because of such frequency fluctuations, a neuron with rhythmic firing at a fixed frequency ...
The Basal Ganglia and Motor Control
... targets. If a higher activity in the (we)frontal thalamocoical systems is considered to be associated with increased motor or cognitive/ behavioral output of the brain, we can conclude ...
... targets. If a higher activity in the (we)frontal thalamocoical systems is considered to be associated with increased motor or cognitive/ behavioral output of the brain, we can conclude ...
Midbrain Dopamine Neurons Encode a Quantitative Reward
... error. Importantly, however, systems of this type do not necessarily account for all of the behavior produced by all animals under all circumstances. If an animal faces an environment in which a strategy of alternating sequentially between two responses yields a reward on every trial, then the outpu ...
... error. Importantly, however, systems of this type do not necessarily account for all of the behavior produced by all animals under all circumstances. If an animal faces an environment in which a strategy of alternating sequentially between two responses yields a reward on every trial, then the outpu ...
Stages of Sleep And Brain Mechanisms
... Mechanisms • Orexin is a peptide neurotransmitter released in a pathway from the lateral nucleus of the hypothalamus highly responsible for the ability to stay awake. – Stimulates acetylcholine-releasing cells in the basal forebrain to stimulate neurons responsible for wakefulness and arousal. – The ...
... Mechanisms • Orexin is a peptide neurotransmitter released in a pathway from the lateral nucleus of the hypothalamus highly responsible for the ability to stay awake. – Stimulates acetylcholine-releasing cells in the basal forebrain to stimulate neurons responsible for wakefulness and arousal. – The ...
Human Physiology - Maryville University
... Axon cable properties are poor because: Cytoplasm has high resistance Though resistance decreases as axon diameter increases Current leaks out through ion channels ...
... Axon cable properties are poor because: Cytoplasm has high resistance Though resistance decreases as axon diameter increases Current leaks out through ion channels ...
DOES ISCHEMIA CAUSE ACUTE NEURONAL DAMAGE BY CONVERTING THE NA /K
... 20-40% CBF (Ginsberg, 1997) supported by collateral circulation. In this region cell damage progresses slowly relative to the ischemic core and cell death may take hours to days following stroke onset, depending on the severity and duration of ischemia (Dirnagl et al., 1999; Jones et al., 1981; Wood ...
... 20-40% CBF (Ginsberg, 1997) supported by collateral circulation. In this region cell damage progresses slowly relative to the ischemic core and cell death may take hours to days following stroke onset, depending on the severity and duration of ischemia (Dirnagl et al., 1999; Jones et al., 1981; Wood ...
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... in the characteristics of tinnitus sound perception (narrow band noise vs. pure tone) between tinnitus patients, although this could lead to a better understanding of pathological auditory neural activity. However, in the literature it was already hypothesized that pure tone tinnitus may be the resu ...
... in the characteristics of tinnitus sound perception (narrow band noise vs. pure tone) between tinnitus patients, although this could lead to a better understanding of pathological auditory neural activity. However, in the literature it was already hypothesized that pure tone tinnitus may be the resu ...
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... c) regulating metabolic activity and serving as pain detectors d) monitoring neural transmission and releasing hormones in the brain ANS: a, pp. 43-44, C, LO=2.1, (3) % correct 59 a= 59 b= 4 c= 11 d= 22 r = .32 18. Two types of glial cells, called __________ and ___________, generate myelin. e) occi ...
... c) regulating metabolic activity and serving as pain detectors d) monitoring neural transmission and releasing hormones in the brain ANS: a, pp. 43-44, C, LO=2.1, (3) % correct 59 a= 59 b= 4 c= 11 d= 22 r = .32 18. Two types of glial cells, called __________ and ___________, generate myelin. e) occi ...
Lecture Guide - TestbankCart.com
... 2. The cortex is the outer covering of the cerebrum and consists of a tightly packed layer of neurons about one tenth of an inch in thickness. Its wrinkles, or corticalization, allow for greater cortical area and are associated with greater brain complexity. 3. The cortex is divided into two cerebra ...
... 2. The cortex is the outer covering of the cerebrum and consists of a tightly packed layer of neurons about one tenth of an inch in thickness. Its wrinkles, or corticalization, allow for greater cortical area and are associated with greater brain complexity. 3. The cortex is divided into two cerebra ...
The Integrative Action of the Autonomic Nervous System
... conscious humans by Gunnar Wallin and his colleagues in Göteborg. While pathways to the viscera are currently too hard to study in humans because they are less accessible, the principles of their organization can be deduced from Wilfrid’s data on pre- and postganglionic discharge patterns and from ...
... conscious humans by Gunnar Wallin and his colleagues in Göteborg. While pathways to the viscera are currently too hard to study in humans because they are less accessible, the principles of their organization can be deduced from Wilfrid’s data on pre- and postganglionic discharge patterns and from ...
Experimental spinal cord transplantation as a mechanism of
... graft (from a different species of animal). Two decades of transplantation research in the brain and spinal cord, along with a great deal of embryological research at the turn of the century, has established that fetal syngenic, allo- or xenografts of brain and spinal cord survive in the mature spin ...
... graft (from a different species of animal). Two decades of transplantation research in the brain and spinal cord, along with a great deal of embryological research at the turn of the century, has established that fetal syngenic, allo- or xenografts of brain and spinal cord survive in the mature spin ...
doc PHGY311
... release neuropeptides involved in the control of anterior pituitary function. In addition, the median eminence is traversed by the axons of hypothalamic neurons ending in the posterior pituitary. The median eminence funnels down to form the infundibular portion of the neurohypophysis (also called th ...
... release neuropeptides involved in the control of anterior pituitary function. In addition, the median eminence is traversed by the axons of hypothalamic neurons ending in the posterior pituitary. The median eminence funnels down to form the infundibular portion of the neurohypophysis (also called th ...
Differential GABAB Receptor Modulation of Ethanol Effects on
... bipolar twisted tungsten wire electrodes (0.2-ms pulses of 3– 8 V), one placed in the stratum lacunosum-moleculare layer (for distal stimulation) and the other within 250 m of the recorded cell soma in the CA1 stratum pyramidale (for proximal stimulation), as illustrated in Fig. 1A. An interstimula ...
... bipolar twisted tungsten wire electrodes (0.2-ms pulses of 3– 8 V), one placed in the stratum lacunosum-moleculare layer (for distal stimulation) and the other within 250 m of the recorded cell soma in the CA1 stratum pyramidale (for proximal stimulation), as illustrated in Fig. 1A. An interstimula ...
Coordinate Roles for LIM Homeobox Genes in Directing the
... al., 1996) into the mouse Lim1 locus by homologous recombination in ES cells. The targeting construct was designed to remove Lim1 coding sequences and thus to inactivate Lim1 function (Figure 1B). Lim1tlz/⫹ mice were viable and fertile whereas Lim1tlz/tlz mice (Figure 1C) died on or before embryonic ...
... al., 1996) into the mouse Lim1 locus by homologous recombination in ES cells. The targeting construct was designed to remove Lim1 coding sequences and thus to inactivate Lim1 function (Figure 1B). Lim1tlz/⫹ mice were viable and fertile whereas Lim1tlz/tlz mice (Figure 1C) died on or before embryonic ...
Ionic Mechanisms in the Generation of Subthreshold Oscillations and
... types, including cardiac pacemaker cells (DiFrancesco et al., 1986), where it is termed If, as well as a rich diversity of brain neurons (Pape, 1996) and thalamic neurons (McCormick and Pape, 1990). While these different currents share a common profile of activation, causing a depolarizing “sag” of t ...
... types, including cardiac pacemaker cells (DiFrancesco et al., 1986), where it is termed If, as well as a rich diversity of brain neurons (Pape, 1996) and thalamic neurons (McCormick and Pape, 1990). While these different currents share a common profile of activation, causing a depolarizing “sag” of t ...
Increased taste intensity perception exhibited by
... al., 1999). For example, Mak and colleagues (Mak et al., 2005) describe increased taste and smell sensitivity in a patient with a unilateral insular lesion. Similarly, patients with unilateral resection from the anteromedial lobe, including the amygdala, have been shown to lead to elevated ratings o ...
... al., 1999). For example, Mak and colleagues (Mak et al., 2005) describe increased taste and smell sensitivity in a patient with a unilateral insular lesion. Similarly, patients with unilateral resection from the anteromedial lobe, including the amygdala, have been shown to lead to elevated ratings o ...
tracts - Anatomický ústav 1. LF UK
... b) Deep mechanoreceptors – are in dermis, in muscle fasciae, in periosteum, mesentery and in periodontium: Vater-Pacini and Ruffini bodies. React on pressure, vibration, skin tension, tooth movement. c) receptors in locomotory apparatus Muscle spindles, tendon (Golgi) bodies, joint receptors. The ar ...
... b) Deep mechanoreceptors – are in dermis, in muscle fasciae, in periosteum, mesentery and in periodontium: Vater-Pacini and Ruffini bodies. React on pressure, vibration, skin tension, tooth movement. c) receptors in locomotory apparatus Muscle spindles, tendon (Golgi) bodies, joint receptors. The ar ...
Evidence of sympathetic ®bers in the male rat pelvic nerve
... arrangement of the neural supply of the pelvic organs and distal colon seems to be generally applicable to all mammalian species investigated thus far, including man.6 In the male rat, pelvic neuroanatomy has been previously described and appears simpler when compared to larger species.13±16 In this ...
... arrangement of the neural supply of the pelvic organs and distal colon seems to be generally applicable to all mammalian species investigated thus far, including man.6 In the male rat, pelvic neuroanatomy has been previously described and appears simpler when compared to larger species.13±16 In this ...
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... 2.1-4. _______ are located only within the central nervous system. a. Sensory b. Motor c. Relay interneurons d. Projection neurons e. Schwann cells Difficulty: 2 Question ID: 2.1-4 Page Ref: 28 Topic: Introduction Skill: Factual Answer: c. Relay interneurons Rationale: Relay interneurons are located ...
... 2.1-4. _______ are located only within the central nervous system. a. Sensory b. Motor c. Relay interneurons d. Projection neurons e. Schwann cells Difficulty: 2 Question ID: 2.1-4 Page Ref: 28 Topic: Introduction Skill: Factual Answer: c. Relay interneurons Rationale: Relay interneurons are located ...
Spinal Cord Motor Activity
... Under normal conditions, a noxious stimulus is required to evoke the flexion reflex; following damage to descending pathways, however, other types of stimulation, such as moderate squeezing of a limb, can produce the same response. Thus, the descending projections to the cord may function, at least ...
... Under normal conditions, a noxious stimulus is required to evoke the flexion reflex; following damage to descending pathways, however, other types of stimulation, such as moderate squeezing of a limb, can produce the same response. Thus, the descending projections to the cord may function, at least ...
Linear visuomotor transformations in midbrain superior colliculus
... The integration in Eq. (1.2) yields the current eye displacement signal, and implements a so-called resettable integrator (RSI; [22]); its value is reset to zero when the saccade has finished (and the eye foveates the goal specified by the SC). Although in some models this reset is proposed to have ...
... The integration in Eq. (1.2) yields the current eye displacement signal, and implements a so-called resettable integrator (RSI; [22]); its value is reset to zero when the saccade has finished (and the eye foveates the goal specified by the SC). Although in some models this reset is proposed to have ...
ANS: c, p. 42, F, LO=2.1, (1)
... c) regulating metabolic activity and serving as pain detectors d) monitoring neural transmission and releasing hormones in the brain ANS: a, pp. 43-44, C, LO=2.1, (3) % correct 59 a= 59 b= 4 c= 11 d= 22 r = .32 18. Two types of glial cells, called __________ and ___________, generate myelin. e) occi ...
... c) regulating metabolic activity and serving as pain detectors d) monitoring neural transmission and releasing hormones in the brain ANS: a, pp. 43-44, C, LO=2.1, (3) % correct 59 a= 59 b= 4 c= 11 d= 22 r = .32 18. Two types of glial cells, called __________ and ___________, generate myelin. e) occi ...
The peripheral nervous system-
... (David and Aguayo, 1981). However, on re-entering the CNS the regenerating axons are able to form anatomical synapses, albeit at a short distance from the point of entry (Vidal-Sanz et al. 1987). Peripheral nerve grafting experiments have produced a substantial body of evidence to show that, when pr ...
... (David and Aguayo, 1981). However, on re-entering the CNS the regenerating axons are able to form anatomical synapses, albeit at a short distance from the point of entry (Vidal-Sanz et al. 1987). Peripheral nerve grafting experiments have produced a substantial body of evidence to show that, when pr ...