Print this article - University of Toronto Journal of Undergraduate Life
... occurrence of these fluctuations is due to the manner of levodopa intake [29]. It is hypothesized that orally administered levodopa stimulates dopamine receptors in a pulsatile fashion [29]. Because dopamine receptors normally receive tonic stimulation, the intermittent availability of dopamine resu ...
... occurrence of these fluctuations is due to the manner of levodopa intake [29]. It is hypothesized that orally administered levodopa stimulates dopamine receptors in a pulsatile fashion [29]. Because dopamine receptors normally receive tonic stimulation, the intermittent availability of dopamine resu ...
Autonomic Nervous System
... • All postganglionic PsNS fibers release ACH • Most postganglionic SNS fibers release norepinephrine • Can be stimulatory or inhibitory based on receptor types ...
... • All postganglionic PsNS fibers release ACH • Most postganglionic SNS fibers release norepinephrine • Can be stimulatory or inhibitory based on receptor types ...
Fine Gating Properties of Channels Responsible for Persistent
... The INaP expressed by these neurons (Magistretti and Alonso, 1999) has been demonstrated to interplay with the hyperpolarization-activated cation current, Ih (Dickson et al., 2000), to generate subthreshold membranepotential oscillations in a frequency range corresponding to the theta band (Alonso a ...
... The INaP expressed by these neurons (Magistretti and Alonso, 1999) has been demonstrated to interplay with the hyperpolarization-activated cation current, Ih (Dickson et al., 2000), to generate subthreshold membranepotential oscillations in a frequency range corresponding to the theta band (Alonso a ...
Exam II Questions / Answers
... In motor neurons, the nerve impulse is generated at the junction of the axon hillock and axon (trigger zone) and conducted along the axon to the axon terminals which are the secretory regions of the neuron ...
... In motor neurons, the nerve impulse is generated at the junction of the axon hillock and axon (trigger zone) and conducted along the axon to the axon terminals which are the secretory regions of the neuron ...
Anatomofunctional organization of the ventral primary motor and
... eyes. We further checked whether different types of movements (i.e. scratching, grooming or spontaneous finger flexion movements) were equally effective in triggering neuronal discharge in order to establish whether the activity was related to simple movements or motor acts. Grasping-related respons ...
... eyes. We further checked whether different types of movements (i.e. scratching, grooming or spontaneous finger flexion movements) were equally effective in triggering neuronal discharge in order to establish whether the activity was related to simple movements or motor acts. Grasping-related respons ...
Hedonic Hotspots Regulate Cingulate-driven
... Positive hedonic states are known to attenuate the impact of demanding events on our body and brain, supporting adaptive behavior in response to changes in the environment. We used functional magnetic resonance imaging to examine the neural mechanism of this hedonic regulation. The effect of hedonic ...
... Positive hedonic states are known to attenuate the impact of demanding events on our body and brain, supporting adaptive behavior in response to changes in the environment. We used functional magnetic resonance imaging to examine the neural mechanism of this hedonic regulation. The effect of hedonic ...
Folio Bound VIEWS - Gray`s Anatomy
... important to understand that it was driven by the evolutionary imperative and derived much of its plausibility from observations of embryos. The notion that gastrulation is the most important phase of development is historically related to its association with the germ layer theory, particularly in ...
... important to understand that it was driven by the evolutionary imperative and derived much of its plausibility from observations of embryos. The notion that gastrulation is the most important phase of development is historically related to its association with the germ layer theory, particularly in ...
Cortical Connectivity Suggests a Role in Limb
... section contours, according to the procedures described previously (Galletti et al., 2005; Gamberini et al., 2009). The same software was used to prepare the density maps of labeled neurons by projecting the location of each neuron to the nearest mid-thickness contour (Bakola et al., 2010; Passarell ...
... section contours, according to the procedures described previously (Galletti et al., 2005; Gamberini et al., 2009). The same software was used to prepare the density maps of labeled neurons by projecting the location of each neuron to the nearest mid-thickness contour (Bakola et al., 2010; Passarell ...
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... Changes in spatial (receptive field) and temporal response properties of cortical neurons underlie many forms of natural learning. The scale and direction of these changes appear to be determined by specific features of the behavioral tasks that evoke cortical plasticity. The neural mechanisms respo ...
... Changes in spatial (receptive field) and temporal response properties of cortical neurons underlie many forms of natural learning. The scale and direction of these changes appear to be determined by specific features of the behavioral tasks that evoke cortical plasticity. The neural mechanisms respo ...
Barrel cortex function - Brain Research Institute
... somatosensory cortices PV, PL, PM. Whisker movement is processed by association of primary motor cortex, and cognitive processes affecting whisker-related active touch can be studied in the prefrontal/premotor cortical areas (PFPM). Whisker representations are highlighted. ...
... somatosensory cortices PV, PL, PM. Whisker movement is processed by association of primary motor cortex, and cognitive processes affecting whisker-related active touch can be studied in the prefrontal/premotor cortical areas (PFPM). Whisker representations are highlighted. ...
Carlson (7e) PowerPoint Lecture Outline Chapter 9: Sleep and
... the ability of light to reset the biological clock (zeitgeber function) u the intergeniculate leaflet of the lateral geniculate thalamic nucleus u ...
... the ability of light to reset the biological clock (zeitgeber function) u the intergeniculate leaflet of the lateral geniculate thalamic nucleus u ...
Cerebellar fastigial nucleus: from anatomic construction to
... cerebellar nuclei and short axons connecting only with neurons within the FN, respectively [1, 14]. Based on the transmitter phenotypes, glutamatergic, GABAergic as well as glycinergic neurons have been identified in the FN [1, 14, 15]. In addition, electrophysiological features (e.g. action potenti ...
... cerebellar nuclei and short axons connecting only with neurons within the FN, respectively [1, 14]. Based on the transmitter phenotypes, glutamatergic, GABAergic as well as glycinergic neurons have been identified in the FN [1, 14, 15]. In addition, electrophysiological features (e.g. action potenti ...
Neuronal-Derived Nitric Oxide and Somatodendritically Released
... Correspondence should be addressed to Dr. Jessica A. Filosa, Department of Physiology, Georgia Regents University, 1120 15th Street, CA 2092, Augusta, GA 30912. E-mail: [email protected]. ...
... Correspondence should be addressed to Dr. Jessica A. Filosa, Department of Physiology, Georgia Regents University, 1120 15th Street, CA 2092, Augusta, GA 30912. E-mail: [email protected]. ...
1 - Projeto Andar de Novo
... Ludwig de Pesquisa para o Câncer -São Paulo. The STI-1 is a co-chaperonine and it also may function as a secreted neurotrophic factor. Previous work has shown that recombinant PrPc interacts with STI-1 promoting neuritogenesis and neuroprotection by distinct signaling pathways. In order to understan ...
... Ludwig de Pesquisa para o Câncer -São Paulo. The STI-1 is a co-chaperonine and it also may function as a secreted neurotrophic factor. Previous work has shown that recombinant PrPc interacts with STI-1 promoting neuritogenesis and neuroprotection by distinct signaling pathways. In order to understan ...
Specification of the anterior hindbrain and
... mesencephalon and establishment of a normal mid/hindbrain organizer also require a minimum dosage of Otx genes (Suda et al., 1996; A. Simeone, pers. comm.), vertebrate homologs of the Drosophila orthodenticle gene, which are expressed in the forebrain and midbrain (Simeone et al., 1992, 1993). Two s ...
... mesencephalon and establishment of a normal mid/hindbrain organizer also require a minimum dosage of Otx genes (Suda et al., 1996; A. Simeone, pers. comm.), vertebrate homologs of the Drosophila orthodenticle gene, which are expressed in the forebrain and midbrain (Simeone et al., 1992, 1993). Two s ...
The coding of uniform colour figures in monkey visual cortex
... Livingstone & Hubel related colour processing to the nonoriented cells in the cytochrome oxidase (CO) dense blobs of V1 and the thin CO dense stripes of V2 and concluded that the visual cortex tends to process colour and form in separate streams (Livingstone & Hubel, 1984; Hubel & Livingstone, 1987) ...
... Livingstone & Hubel related colour processing to the nonoriented cells in the cytochrome oxidase (CO) dense blobs of V1 and the thin CO dense stripes of V2 and concluded that the visual cortex tends to process colour and form in separate streams (Livingstone & Hubel, 1984; Hubel & Livingstone, 1987) ...
Distribution of GABAergic neurons and axon terminals in the
... Neurons that utilize the neurotransmitter y-aminobutyric acid (GABA) appear to play an important role in generating many of the receptive field properties that distinguish neurons in the striate cortex from those in the lateral geniculate nucleus. When the inhibitory effects of GABA are blocked by t ...
... Neurons that utilize the neurotransmitter y-aminobutyric acid (GABA) appear to play an important role in generating many of the receptive field properties that distinguish neurons in the striate cortex from those in the lateral geniculate nucleus. When the inhibitory effects of GABA are blocked by t ...
Lecture 26-BasalGanglia
... L-dopa exhibits a large first-pass effect Only about 1% reaches brain tissue ...
... L-dopa exhibits a large first-pass effect Only about 1% reaches brain tissue ...
Mirror neuron functioning: an explanation for
... concluded that the imitation task accounted for larger signal intensity than the non-imitative groups in the left inferior frontal cortex and the right superior parietal lobule. So, watching a finger movement and then imitating accounted for a greater increase than making a finger movement without w ...
... concluded that the imitation task accounted for larger signal intensity than the non-imitative groups in the left inferior frontal cortex and the right superior parietal lobule. So, watching a finger movement and then imitating accounted for a greater increase than making a finger movement without w ...
Hippocampal mechanisms for the context-dependent retrieval of episodes 2005 Special issue
... As the virtual rat moves through the environment, sensory input to the model identifies its current location (behavioral state) and indicates food reward when it is received. At each location, the hippocampal model retrieves the prior episode experienced at that location, and provides this informati ...
... As the virtual rat moves through the environment, sensory input to the model identifies its current location (behavioral state) and indicates food reward when it is received. At each location, the hippocampal model retrieves the prior episode experienced at that location, and provides this informati ...
A compensatory subpopulation of motor neurons in a mouse model
... Amyotrophic lateral sclerosis is a fatal paralytic disease that targets motor neurons, leading to motor neuron death and widespread denervation atrophy of muscle. Previous electrophysiological data have shown that some motor axon branches attempt to compensate for loss of innervation, resulting in e ...
... Amyotrophic lateral sclerosis is a fatal paralytic disease that targets motor neurons, leading to motor neuron death and widespread denervation atrophy of muscle. Previous electrophysiological data have shown that some motor axon branches attempt to compensate for loss of innervation, resulting in e ...
Altered neural reward and loss processing and
... pleasure-predicting cues, is a core symptom of depression that seems to be substantially associated with altered learning from both positive and negative outcomes (Chase et al., 2010). Several studies reported anhedonia to be linked to reduced ventral striatal (VS) activity during reward processing ...
... pleasure-predicting cues, is a core symptom of depression that seems to be substantially associated with altered learning from both positive and negative outcomes (Chase et al., 2010). Several studies reported anhedonia to be linked to reduced ventral striatal (VS) activity during reward processing ...
