Orbital Frontal Cortex Slides
... The firing rates of OFC neurons were more likely to vary with the value of the drinks, rather than the physical properties (ex: Taste or Volume) A neuron that was encoding the value of the chosen reward might show a higher Firing rate when the monkey choose the one drop of juice to the one drop of ...
... The firing rates of OFC neurons were more likely to vary with the value of the drinks, rather than the physical properties (ex: Taste or Volume) A neuron that was encoding the value of the chosen reward might show a higher Firing rate when the monkey choose the one drop of juice to the one drop of ...
powerpoint lecture
... • Gateway to cerebral cortex • Sorts, edits, and relays ascending input – Impulses from hypothalamus for regulation of emotion and visceral function – Impulses from cerebellum and basal nuclei to help direct motor cortices – Impulses for memory or sensory integration ...
... • Gateway to cerebral cortex • Sorts, edits, and relays ascending input – Impulses from hypothalamus for regulation of emotion and visceral function – Impulses from cerebellum and basal nuclei to help direct motor cortices – Impulses for memory or sensory integration ...
Full text
... product in the cell soma [3]. In addition, secretory activity of NPY-ir perikarya was enhanced by starvation [3] or long-term undernutrition [14] in sheep. In the present work, NPY-containing neurons in IN of the ewe exhibited the enhanced NPY expression during the preovulatory phase of the oestrous ...
... product in the cell soma [3]. In addition, secretory activity of NPY-ir perikarya was enhanced by starvation [3] or long-term undernutrition [14] in sheep. In the present work, NPY-containing neurons in IN of the ewe exhibited the enhanced NPY expression during the preovulatory phase of the oestrous ...
Morphological Studies of Wobbler Mouse Dorsal Root Ganglia
... Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease with three described forms: The abundant, sporadic ALS (sALS) with approximately 90% of cases, the familial ALS (fALS) with 5-10%, and the very rare juvenile ALS (jALS) group, which is statistically less relevant. The wobbler m ...
... Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease with three described forms: The abundant, sporadic ALS (sALS) with approximately 90% of cases, the familial ALS (fALS) with 5-10%, and the very rare juvenile ALS (jALS) group, which is statistically less relevant. The wobbler m ...
Chapter 15 the autonomic nervous system -
... - much of the viscera has excitatory and inhibitory fibers - these opposite affects are cooperative in nature when the sym and parasym act on different effectors for a unified response or the desired effect - in some cases the antagonistic affects are equal but - in some areas one system has much mo ...
... - much of the viscera has excitatory and inhibitory fibers - these opposite affects are cooperative in nature when the sym and parasym act on different effectors for a unified response or the desired effect - in some cases the antagonistic affects are equal but - in some areas one system has much mo ...
Short title: Thalamocortical computations during tactile sensation
... (from FS neurons) to L4 excitatory neurons is delayed by approximately 0.5 ms with respect to ...
... (from FS neurons) to L4 excitatory neurons is delayed by approximately 0.5 ms with respect to ...
Neuroanatomy and function of brain structures involved in the
... a pituitary autograft without hypothalamic connections can maintain the pseudopregnancy and corpora lutea. He postulated the existence of a hypothalamic factor which is released into the portal blood and inhibits the PRL secretion. Soon it was realized that this inhibiting factor is dopamine (DA). D ...
... a pituitary autograft without hypothalamic connections can maintain the pseudopregnancy and corpora lutea. He postulated the existence of a hypothalamic factor which is released into the portal blood and inhibits the PRL secretion. Soon it was realized that this inhibiting factor is dopamine (DA). D ...
the evolution of body and brain, and of sensory
... vertebrates) in the six-layered dorsal lateral geniculate nucleus. The latter is the source of the thalamocortical fibers that target the primary visual cortex. Processing of the optic input starts at the retinal level, most important of which is the momentous achievement of turning the absence of p ...
... vertebrates) in the six-layered dorsal lateral geniculate nucleus. The latter is the source of the thalamocortical fibers that target the primary visual cortex. Processing of the optic input starts at the retinal level, most important of which is the momentous achievement of turning the absence of p ...
A Model of Surround Suppression Through Cortical Feedback
... All five V1 regions send feedforward projections to the V2 region. The feedforward projections originate from the V1 neurons and terminate on both excitatory and inhibitory neurons within the V2 region. The output weights extending from one V1 neuron take on a Gaussian pattern which is identical for ...
... All five V1 regions send feedforward projections to the V2 region. The feedforward projections originate from the V1 neurons and terminate on both excitatory and inhibitory neurons within the V2 region. The output weights extending from one V1 neuron take on a Gaussian pattern which is identical for ...
Cell Type-Specific, Presynaptic LTP of Inhibitory Synapses on Fast
... current-clamp mode and their firing properties were assessed by delivering 500 ms depolarizing current steps. After GABAergic neurons were classified into FS and non-FS neurons on the basis of their firing pattern, depolarizing currents (usually ⬍ 300 pA for 5 ms) were injected to evoke one action p ...
... current-clamp mode and their firing properties were assessed by delivering 500 ms depolarizing current steps. After GABAergic neurons were classified into FS and non-FS neurons on the basis of their firing pattern, depolarizing currents (usually ⬍ 300 pA for 5 ms) were injected to evoke one action p ...
Rapid Taste Responses in the Gustatory Cortex during Licking
... returned to baseline in tens of milliseconds. Tastant-responsive neurons were broadly tuned and responded to increasing tastant concentrations by either increasing or decreasing their firing rates. In addition, some responses were only evoked at intermediate tastant concentrations. In summary, these ...
... returned to baseline in tens of milliseconds. Tastant-responsive neurons were broadly tuned and responded to increasing tastant concentrations by either increasing or decreasing their firing rates. In addition, some responses were only evoked at intermediate tastant concentrations. In summary, these ...
Where do mirror neurons come from?
... or before, the primary eliciting stimulus (grasping). In this study, a container was always presented in trials involving grasping before placing, and never in trials involving grasping before eating. Therefore, the presence or absence of a container could become a conditional cue differentially act ...
... or before, the primary eliciting stimulus (grasping). In this study, a container was always presented in trials involving grasping before placing, and never in trials involving grasping before eating. Therefore, the presence or absence of a container could become a conditional cue differentially act ...
Spinal Cord - eCurriculum
... 1. Dorsal horn (sensory): consists of mainly interneurons (whose processes remain within the spinal cord) and projection neurons (whose axons collect into long ascending sensory pathways). 2. Ventral horn (motor): contains cell bodies of large motor neurons that supply skeletal muscle. These occur i ...
... 1. Dorsal horn (sensory): consists of mainly interneurons (whose processes remain within the spinal cord) and projection neurons (whose axons collect into long ascending sensory pathways). 2. Ventral horn (motor): contains cell bodies of large motor neurons that supply skeletal muscle. These occur i ...
Rapid Taste Responses in the Gustatory Cortex
... returned to baseline in tens of milliseconds. Tastant-responsive neurons were broadly tuned and responded to increasing tastant concentrations by either increasing or decreasing their firing rates. In addition, some responses were only evoked at intermediate tastant concentrations. In summary, these ...
... returned to baseline in tens of milliseconds. Tastant-responsive neurons were broadly tuned and responded to increasing tastant concentrations by either increasing or decreasing their firing rates. In addition, some responses were only evoked at intermediate tastant concentrations. In summary, these ...
PDF file
... This section presents the architecture of the new Multilayer In-place Learning Networks (MILN). The network takes a vector as input (a set of receptors). For vision, the input vector corresponds to a retinal image. For example, the input at time t can be an image frame at time t, or the few last con ...
... This section presents the architecture of the new Multilayer In-place Learning Networks (MILN). The network takes a vector as input (a set of receptors). For vision, the input vector corresponds to a retinal image. For example, the input at time t can be an image frame at time t, or the few last con ...
Slide 1
... pathway completely restored pre-lesion motor behaviors. Decreased freezing Increased locomotor activity. ...
... pathway completely restored pre-lesion motor behaviors. Decreased freezing Increased locomotor activity. ...
3. Connections of the Hypothalamus
... Monoamine cell groups. Each of the classes of monoamine cell groups in the rat brainstem provides innervation to the hypothalamus. Projections from limbic regions. Hippocampal efferents via the precommissural fornix-lateral septum innervates all three longitudinally organized columns of the hypothal ...
... Monoamine cell groups. Each of the classes of monoamine cell groups in the rat brainstem provides innervation to the hypothalamus. Projections from limbic regions. Hippocampal efferents via the precommissural fornix-lateral septum innervates all three longitudinally organized columns of the hypothal ...
Nervous System Pt 3
... Functional Areas of the Cerebral Cortex The three types of functional areas are: Motor areas—control voluntary movement Sensory areas—conscious awareness of sensation Association areas—integrate diverse information Contralateral orientation Hemispheres are functionally specialized Con ...
... Functional Areas of the Cerebral Cortex The three types of functional areas are: Motor areas—control voluntary movement Sensory areas—conscious awareness of sensation Association areas—integrate diverse information Contralateral orientation Hemispheres are functionally specialized Con ...
Selectivity for the Shape, Size, and Orientation of Objects for
... closely related to the handgrip than to the object shape. We found a similar selectivity for handgrip in motor-dominant neurons that did not show any visual response. With regard to the size of the objects, 16 of 26 object-type neurons tested were selective for both size and shape, whereas 9 object- ...
... closely related to the handgrip than to the object shape. We found a similar selectivity for handgrip in motor-dominant neurons that did not show any visual response. With regard to the size of the objects, 16 of 26 object-type neurons tested were selective for both size and shape, whereas 9 object- ...
A logical calculus of the ideas immanent in
... neighboring synapses within the period of latent addition, which lasts less than one q u a r t e r of a millisecond. Observed temporal summation of impulses at g r e a t e r intervals is impossible for single neurons and empirically depends upon structural properties of the net. Between the arrival ...
... neighboring synapses within the period of latent addition, which lasts less than one q u a r t e r of a millisecond. Observed temporal summation of impulses at g r e a t e r intervals is impossible for single neurons and empirically depends upon structural properties of the net. Between the arrival ...
General Organization of Somatosensory System
... Mammalian muscle spindle showing typical position in a muscle (left), neuronal connections in spinal cord (middle), and expanded schematic (right). The spindle is a stretch receptor with its own motor supply consisting of several intrafusal muscle fibers. The sensory endings of a primary (group Ia) ...
... Mammalian muscle spindle showing typical position in a muscle (left), neuronal connections in spinal cord (middle), and expanded schematic (right). The spindle is a stretch receptor with its own motor supply consisting of several intrafusal muscle fibers. The sensory endings of a primary (group Ia) ...
Andrea Kádár
... Thyroid hormones regulate the TRH synthesis of hypophysiotropic neurons by negative feedback regulation. OATP1C1, the predominant thyroid hormone transporter molecule through the BBB is highly specific for thyroxine (T4), but not for triiodithyronine (T3), the active form of thyroid hormones. Theref ...
... Thyroid hormones regulate the TRH synthesis of hypophysiotropic neurons by negative feedback regulation. OATP1C1, the predominant thyroid hormone transporter molecule through the BBB is highly specific for thyroxine (T4), but not for triiodithyronine (T3), the active form of thyroid hormones. Theref ...