Physiological and Morphological Analysis of Synaptic Transmission
... longitudinal muscles of the body wall of Hirudo will be considered as two functionally distinct sets, the dorsal longitudinal muscles and the ventral longitudinal muscles. This division is functionally applicable to behaviors such as swimming, since it is the alternating contractions in dorsal an ve ...
... longitudinal muscles of the body wall of Hirudo will be considered as two functionally distinct sets, the dorsal longitudinal muscles and the ventral longitudinal muscles. This division is functionally applicable to behaviors such as swimming, since it is the alternating contractions in dorsal an ve ...
Functional Organization of the Cat Visual Cortex in Relation to the
... Extracellular recordings were conducted after the final optical imaging session. Recording sites were determined using the cortical blood vessel patterns as a reference, and glass-coated platinum-iridium microelectrodes (1–2 M⍀ at 1 kHz) were placed using a hydraulic microdrive (MO-95, Narishige, To ...
... Extracellular recordings were conducted after the final optical imaging session. Recording sites were determined using the cortical blood vessel patterns as a reference, and glass-coated platinum-iridium microelectrodes (1–2 M⍀ at 1 kHz) were placed using a hydraulic microdrive (MO-95, Narishige, To ...
The hippocampo-cortical loop: Spatio
... coding of EC information using population coding. Its role in spatial pattern separation has led researchers to hypothesize its involvement in the formation of spatial patterns in the hippocampus from grid cell information (Fyhn, Hafting, Treves, Moser, & Moser, 2007; Rolls, Stringer, & Elliot, 2006 ...
... coding of EC information using population coding. Its role in spatial pattern separation has led researchers to hypothesize its involvement in the formation of spatial patterns in the hippocampus from grid cell information (Fyhn, Hafting, Treves, Moser, & Moser, 2007; Rolls, Stringer, & Elliot, 2006 ...
A mathematical model on REM-NREM cycle
... The central nervous system [CNS] is composed entirely of two kinds of specialized cells: neurons and glia. Neurons are the basic information processing structures in the CNS. The function of a neuron is to receive INPUT ”information” from other neurons, to process that information, then to send ”inf ...
... The central nervous system [CNS] is composed entirely of two kinds of specialized cells: neurons and glia. Neurons are the basic information processing structures in the CNS. The function of a neuron is to receive INPUT ”information” from other neurons, to process that information, then to send ”inf ...
AIP
... was almost completely confined to F5 and, therefore, the anatomical linkage between these two areas is highly selective and reciprocal. In addition, the differential distribution of the labeling observed in the present study following injections in AIP and LIP, in agreement also with data of Anderse ...
... was almost completely confined to F5 and, therefore, the anatomical linkage between these two areas is highly selective and reciprocal. In addition, the differential distribution of the labeling observed in the present study following injections in AIP and LIP, in agreement also with data of Anderse ...
Nerve Cell Communication - URMC
... Place the pink impulse card on the neuron and move it along the axon to the terminal branches. When the impulse reaches the terminal branches, the receiving neuron becomes a sending neuron that releases its neurotransmitters to send messages to other neurons. 13. Which part of a neuron receives ...
... Place the pink impulse card on the neuron and move it along the axon to the terminal branches. When the impulse reaches the terminal branches, the receiving neuron becomes a sending neuron that releases its neurotransmitters to send messages to other neurons. 13. Which part of a neuron receives ...
Chemosensory Systems
... cannot identify individual odors in mixtures of more than 3 compounds. During stimulation, mitral cells show excitatory-inhibitory responses. A low level of a stimulus elicits a simple excitatory response in the mitral cell; a higher stimulus level elicits a short excitatory response followed by inh ...
... cannot identify individual odors in mixtures of more than 3 compounds. During stimulation, mitral cells show excitatory-inhibitory responses. A low level of a stimulus elicits a simple excitatory response in the mitral cell; a higher stimulus level elicits a short excitatory response followed by inh ...
Developmental Biology, 9e
... Birth and migration of neurons and glia Specification of cell fates Guidance of axons to specific targets Formation of synaptic connections Competitive rearrangement of synapses Survival and final differentiation by signal Continued plasticity throughout life ...
... Birth and migration of neurons and glia Specification of cell fates Guidance of axons to specific targets Formation of synaptic connections Competitive rearrangement of synapses Survival and final differentiation by signal Continued plasticity throughout life ...
Nerve Cell Communication - URMC
... Place the pink impulse card on the neuron and move it along the axon to the terminal branches. When the impulse reaches the terminal branches, the receiving neuron becomes a sending neuron that releases its neurotransmitters to send messages to other neurons. 13. Which part of a neuron receives ...
... Place the pink impulse card on the neuron and move it along the axon to the terminal branches. When the impulse reaches the terminal branches, the receiving neuron becomes a sending neuron that releases its neurotransmitters to send messages to other neurons. 13. Which part of a neuron receives ...
Temporal and Spatial Integration in the Rat SI Vibrissa Cortex
... correct for the barrel in which the unit is recorded, and largest in layers V and VI where most cells respond to deflections of several adjacent whiskers, sometimes as many as 20 or more (see also Ref. 5). Moreover, under these conditions, cortical vibrissa units, like those in the periphery (79), r ...
... correct for the barrel in which the unit is recorded, and largest in layers V and VI where most cells respond to deflections of several adjacent whiskers, sometimes as many as 20 or more (see also Ref. 5). Moreover, under these conditions, cortical vibrissa units, like those in the periphery (79), r ...
Intracellular and computational evidence for a
... thinking at the time was that oscillatory activity arises from circulating waves of activity, a theory called the “circus movement theory”. Bremer was an opponent to this theory, and he proposed instead that neurons can display intrinsically-generated oscillatory activity, and that such oscillators ...
... thinking at the time was that oscillatory activity arises from circulating waves of activity, a theory called the “circus movement theory”. Bremer was an opponent to this theory, and he proposed instead that neurons can display intrinsically-generated oscillatory activity, and that such oscillators ...
chapt07_lecture
... a. A stronger stimulus will make action potentials occur more frequently. (frequency modulated) b. A stronger stimulus may also activate more neurons in a nerve. This is called recruitment. ...
... a. A stronger stimulus will make action potentials occur more frequently. (frequency modulated) b. A stronger stimulus may also activate more neurons in a nerve. This is called recruitment. ...
How MT cells analyze the motion of visual patterns
... signals from V1, which are themselves nonlinear. This is an elaborated form of a linear-nonlinear (‘L-N’) model, of a kind that is increasingly useful in sensory neuroscience. The power of L-N models lies in their simplicity, the ease with which they can be fit to data, and their ability to describe ...
... signals from V1, which are themselves nonlinear. This is an elaborated form of a linear-nonlinear (‘L-N’) model, of a kind that is increasingly useful in sensory neuroscience. The power of L-N models lies in their simplicity, the ease with which they can be fit to data, and their ability to describe ...
Simulating in vivo-like Synaptic Input Patterns in Multicompartmental
... neurons. For example, each individual human cerebellar Purkinje neuron is estimated to receive more than 100,000 excitatory synaptic contacts from granule cells, and additional contacts from local circuit inhibitory interneurons and the powerfully excitatory climbing fiber (Ito 1984). Although Purki ...
... neurons. For example, each individual human cerebellar Purkinje neuron is estimated to receive more than 100,000 excitatory synaptic contacts from granule cells, and additional contacts from local circuit inhibitory interneurons and the powerfully excitatory climbing fiber (Ito 1984). Although Purki ...
Cortical remodelling induced by activity of ventral tegmental
... region (collectively called non-AI pairs; data not shown). In general, correlation strengths decreased as a regular function of cortical distance for both AI and non-AI pairs. VTA/tone-pairing did not change the correlation±distance function of AI pairs, but resulted in a strong increase in the corr ...
... region (collectively called non-AI pairs; data not shown). In general, correlation strengths decreased as a regular function of cortical distance for both AI and non-AI pairs. VTA/tone-pairing did not change the correlation±distance function of AI pairs, but resulted in a strong increase in the corr ...
The fate of Nissl-stained dark neurons following
... percussion injury model. Nissl stain, acid fuchsin stain and immunohistochemistry with phosphorylated extracellular signal-regulated protein kinase (pERK) antibody were used in order to assess posttraumatic neurons. In the neocortex, the number of dead neurons at 24 h postinjury was signiWcantly les ...
... percussion injury model. Nissl stain, acid fuchsin stain and immunohistochemistry with phosphorylated extracellular signal-regulated protein kinase (pERK) antibody were used in order to assess posttraumatic neurons. In the neocortex, the number of dead neurons at 24 h postinjury was signiWcantly les ...
Biology - Chpt 14- The Nervous System
... body movements such as reflex and controls such things as heart rate, body temperature, digestion etc. The ANS is further divided into • Parasympathetic nervous system works in actions that do not require a fast response (rest and digest response) • Sympathetic nervous system works in actions that d ...
... body movements such as reflex and controls such things as heart rate, body temperature, digestion etc. The ANS is further divided into • Parasympathetic nervous system works in actions that do not require a fast response (rest and digest response) • Sympathetic nervous system works in actions that d ...
Two Types of Neurons in the Primate Globus
... square spot served as a visual stimulus. Targets of different colors (white, red, green, and blue) were used for different means in each trial (see below). Experiments were carried out in a darkened booth. Voltages proportional to horizontal and vertical eye position were calibrated before each expe ...
... square spot served as a visual stimulus. Targets of different colors (white, red, green, and blue) were used for different means in each trial (see below). Experiments were carried out in a darkened booth. Voltages proportional to horizontal and vertical eye position were calibrated before each expe ...
Reinforcement Learning Using a Continuous Time Actor
... An important problem in reinforcement learning is the concept of temporal credit assignment, i.e., how to propagate information about rewards back in time. In the framework of TD learning, this means propagating the TD error at time t so that the value function at earlier times is updated in consequ ...
... An important problem in reinforcement learning is the concept of temporal credit assignment, i.e., how to propagate information about rewards back in time. In the framework of TD learning, this means propagating the TD error at time t so that the value function at earlier times is updated in consequ ...
View/Open - eDiss - Georg-August
... units by sorting algorithms. Tungsten wires exhibited stable recordings with higher signal-to-noise ratio than copper wires. Due to the tight temporal coupling of auditory activity to the stimulus spike collisions were frequent and collision analysis retrieved 10–15% of additional spikes. Physiologi ...
... units by sorting algorithms. Tungsten wires exhibited stable recordings with higher signal-to-noise ratio than copper wires. Due to the tight temporal coupling of auditory activity to the stimulus spike collisions were frequent and collision analysis retrieved 10–15% of additional spikes. Physiologi ...
Dopamine
... Progress series have detailed how DA release can be modulated by both synthesis- and release-modulating autoreceptors on DA terminals. It is becoming more evident that heteroceptors also play a significant role in modulating DA release (43). DA release appears to occur via two functionally distinct ...
... Progress series have detailed how DA release can be modulated by both synthesis- and release-modulating autoreceptors on DA terminals. It is becoming more evident that heteroceptors also play a significant role in modulating DA release (43). DA release appears to occur via two functionally distinct ...
