Artificial Neural Network Channel Estimation for OFDM
... Pilot based channel estimation technique is more popular. The Block type Pilot based estimation techniques can be based on Least-Square (LS). The LS estimators have low complexity. In this paper, we propose an artificial neural network (ANN) based on channel estimation technique as an alternative to ...
... Pilot based channel estimation technique is more popular. The Block type Pilot based estimation techniques can be based on Least-Square (LS). The LS estimators have low complexity. In this paper, we propose an artificial neural network (ANN) based on channel estimation technique as an alternative to ...
WHAT IS THE MAMMALIAN DENTATE GYRUS GOOD FOR? Alessandro Treves
... both to the dentate gyrus and to CA3. Computational models have hypothesized that the function of the mossy fibers is to enforce a new, well separated pattern of activity onto CA3 cells, to represent a new memory, prevailing over the interference produced by the traces of older memories already stor ...
... both to the dentate gyrus and to CA3. Computational models have hypothesized that the function of the mossy fibers is to enforce a new, well separated pattern of activity onto CA3 cells, to represent a new memory, prevailing over the interference produced by the traces of older memories already stor ...
Understanding the Human Sensory Conduction of Smell
... The olfactory epithelium is the main end organ for the sense of smell in humans and vertebrates. Specially differenciated neuronal cells called olfactory receptor neurons (ORNs) play a key role in the olfactory epithelium by expressing the olfactory receptors (ORs) on their apical surface membrane. ...
... The olfactory epithelium is the main end organ for the sense of smell in humans and vertebrates. Specially differenciated neuronal cells called olfactory receptor neurons (ORNs) play a key role in the olfactory epithelium by expressing the olfactory receptors (ORs) on their apical surface membrane. ...
04 narc John neuron
... NREM sleep; they exhibited very low discharge rates or complete cessation of activity throughout REM sleep (Figure 2A; Table 1). REM sleep firing rates were significantly lower than AW firing rates (t ⫽ 5.7; df ⫽ 13; p ⬍ 0.01; Bonferroni t test). The average activity rates in both REM sleep (t ⫽ 2.7 ...
... NREM sleep; they exhibited very low discharge rates or complete cessation of activity throughout REM sleep (Figure 2A; Table 1). REM sleep firing rates were significantly lower than AW firing rates (t ⫽ 5.7; df ⫽ 13; p ⬍ 0.01; Bonferroni t test). The average activity rates in both REM sleep (t ⫽ 2.7 ...
Mirror neurons and their clinical relevance
... of the superior temporal sulcus. Neurons in the superior temporial sulcus have complex visual properties, and some respond to the observation of motor acts done by others.10,11 However, they lack the motor properties that are defining features of mirror neurons, and cannot, therefore, be considered ...
... of the superior temporal sulcus. Neurons in the superior temporial sulcus have complex visual properties, and some respond to the observation of motor acts done by others.10,11 However, they lack the motor properties that are defining features of mirror neurons, and cannot, therefore, be considered ...
Olfactory modulation by dopamine in the context of aversive learning
... This task is made all the more difficult because most resources have patchy distributions and varying reward values. This variability establishes different behavioral contexts in which sensory information is encoded by the nervous system. The nervous system must therefore adjust its activity so that ...
... This task is made all the more difficult because most resources have patchy distributions and varying reward values. This variability establishes different behavioral contexts in which sensory information is encoded by the nervous system. The nervous system must therefore adjust its activity so that ...
Thalamic Activity that Drives Visual Cortical Plasticity
... Readings for the week focus on sprouting, changing receptive fields and cortical remapping What patterns of neuronal activity follow a lesion? How do these changing patterns of activity play a role in plasticity? Specifically, what are the effects of depriving visual input from one eye on the LGN a ...
... Readings for the week focus on sprouting, changing receptive fields and cortical remapping What patterns of neuronal activity follow a lesion? How do these changing patterns of activity play a role in plasticity? Specifically, what are the effects of depriving visual input from one eye on the LGN a ...
Transcripts/2_18 2
... a. How does the cerebellum integrate all of these modalities into refining motor movement? i. The idea is that it is really adept to receiving this feedback from all of these modulatory inputs, sending information up to relay nuclei. The thalamus then sends back information to the cortex and there i ...
... a. How does the cerebellum integrate all of these modalities into refining motor movement? i. The idea is that it is really adept to receiving this feedback from all of these modulatory inputs, sending information up to relay nuclei. The thalamus then sends back information to the cortex and there i ...
Mapping Horizontal Spread of Activity in Monkey Motor
... recorded up to 2 mm away from the stimulation site (Asanuma and Rosen, 1973; Aroniadou and Keller, 1993; Matsumura et al., 1996; Baker et al., 1998). The first component of these stimulusevoked responses is mainly excitatory, commonly followed by a period of activity suppression, suggesting that the ...
... recorded up to 2 mm away from the stimulation site (Asanuma and Rosen, 1973; Aroniadou and Keller, 1993; Matsumura et al., 1996; Baker et al., 1998). The first component of these stimulusevoked responses is mainly excitatory, commonly followed by a period of activity suppression, suggesting that the ...
Repetition suppression - Philosophical Transactions of the Royal
... Understanding how the human brain gives rise to complex cognitive processes remains one of the biggest challenges of contemporary neuroscience. While invasive recording in animal models can provide insight into neural processes that are conserved across species, our understanding of cognition more b ...
... Understanding how the human brain gives rise to complex cognitive processes remains one of the biggest challenges of contemporary neuroscience. While invasive recording in animal models can provide insight into neural processes that are conserved across species, our understanding of cognition more b ...
Hox - McGraw Hill Higher Education
... e) Millipedes probably do not have or use Hox genes to specify identity along the A–P axis. Copyright 2010 McGraw-Hill Australia Pty Ltd PowerPoint slides to accompany Biology: An Australian focus 4e by Knox, Ladiges, Evans and Saint Slides prepared by Karen Burke da Silva, Flinders University ...
... e) Millipedes probably do not have or use Hox genes to specify identity along the A–P axis. Copyright 2010 McGraw-Hill Australia Pty Ltd PowerPoint slides to accompany Biology: An Australian focus 4e by Knox, Ladiges, Evans and Saint Slides prepared by Karen Burke da Silva, Flinders University ...
PDF - EvoDevo
... Although it is not readily apparent when considering adult anatomy, our pharyngeal apparatus has a metameric origin, arising from a series of bulges found on the lateral surface of the head of the embryo, the pharyngeal arches. These structures are first evident at about three to four weeks of human ...
... Although it is not readily apparent when considering adult anatomy, our pharyngeal apparatus has a metameric origin, arising from a series of bulges found on the lateral surface of the head of the embryo, the pharyngeal arches. These structures are first evident at about three to four weeks of human ...
Decoding a Temporal Population Code
... The processing of sensory events by the brain requires the encoding of information in an internal state. This internal state can be represented by the brain using a spatial code, a temporal code, or a combination of both. For further processing, however, this encoded information requires decoding at ...
... The processing of sensory events by the brain requires the encoding of information in an internal state. This internal state can be represented by the brain using a spatial code, a temporal code, or a combination of both. For further processing, however, this encoded information requires decoding at ...
Scents and Sensibility: A Molecular Logic of Olfactory Perception
... permitted the introduction of virtually any gene into any cell in culture. He developed a system that not only allowed for the isolation of genes, but also for detailed analysis of how they worked. We now had a facile assay to study the sequences regulating gene expression as well as gene function. ...
... permitted the introduction of virtually any gene into any cell in culture. He developed a system that not only allowed for the isolation of genes, but also for detailed analysis of how they worked. We now had a facile assay to study the sequences regulating gene expression as well as gene function. ...
Visual Properties of Neurons in a Polysensory Area in Superior
... area (STP). Five macaques were studied under anesthesia ( N20) and immobilization in repeated recording sessions. 2. Almost all of the neurons were visually responsive, and over half responded to more than one sensory modality; 21% responded to visual and auditory stimuli, 17% responded to visual an ...
... area (STP). Five macaques were studied under anesthesia ( N20) and immobilization in repeated recording sessions. 2. Almost all of the neurons were visually responsive, and over half responded to more than one sensory modality; 21% responded to visual and auditory stimuli, 17% responded to visual an ...
autonomic accessory ganglia in nerves reaching organs of the
... cells in these nerves were also observed by other authors (4, 26). AAG present in the hypogastric nerves should be included in all the nerve cells occurring in the hypogastric plexus. Recently, more attention is paid to the integration of sympathetic and parasympathetic innervation at the level of t ...
... cells in these nerves were also observed by other authors (4, 26). AAG present in the hypogastric nerves should be included in all the nerve cells occurring in the hypogastric plexus. Recently, more attention is paid to the integration of sympathetic and parasympathetic innervation at the level of t ...
Fernando de Castro and the discovery of the arterial chemoreceptors
... any participation of this cranial nerve (the IX cranial pair) in the innervation of the CB. In 1833–1834 August Franz Joseph Karl Mayer, the creator of the term histology, rediscovered the CB in man and several other species and named it ganglion intercaroticum. Besides describing it as a constant o ...
... any participation of this cranial nerve (the IX cranial pair) in the innervation of the CB. In 1833–1834 August Franz Joseph Karl Mayer, the creator of the term histology, rediscovered the CB in man and several other species and named it ganglion intercaroticum. Besides describing it as a constant o ...
The role of synaptic ion channels in synaptic
... whereas nAChR agonists including nicotine improve certain types of memory, such as short-term and working memory, in humans (Ji et al, 2001; Levin et al, 2002; Seeger et al, 2004). The molecular mechanisms underlying the effects of nAChR on learning and memory are not fully understood. nAChR current ...
... whereas nAChR agonists including nicotine improve certain types of memory, such as short-term and working memory, in humans (Ji et al, 2001; Levin et al, 2002; Seeger et al, 2004). The molecular mechanisms underlying the effects of nAChR on learning and memory are not fully understood. nAChR current ...
What Causes Eye Pain? | SpringerLink
... the tissue and the pain experienced under these circumstances is named ‘inflammatory pain.’ Inflammatory mediators locally released in eye tissues following injury or infection, diffuse to polymodal nociceptor nerve terminals where they interact with specific membrane receptor proteins (ligand-gated ...
... the tissue and the pain experienced under these circumstances is named ‘inflammatory pain.’ Inflammatory mediators locally released in eye tissues following injury or infection, diffuse to polymodal nociceptor nerve terminals where they interact with specific membrane receptor proteins (ligand-gated ...
Saccade-induced activity of dorsal lateral geniculate nucleus X
... saccade was detected if the eye velocity exceeded 50 deg0s. Saccade onset was defined as the time when the velocity reached 10% of the peak velocity during the rising part of the velocity profile. Mean slow-phase eye velocity was calculated from “desaccaded” spontaneous nystagmic eye movements durin ...
... saccade was detected if the eye velocity exceeded 50 deg0s. Saccade onset was defined as the time when the velocity reached 10% of the peak velocity during the rising part of the velocity profile. Mean slow-phase eye velocity was calculated from “desaccaded” spontaneous nystagmic eye movements durin ...
11-1 FUNCTIONS OF THE NERVOUS SYSTEM 1. Sensory input
... DIVISIONS OF THE NERVOUS SYSTEM FIGURE 11.1 1. The nervous system can be divided into subdivisions based on structure and on function. Each of the these subdivisions are referred to as separate nervous systems. However, keep in mind that the subdivisions are all part of a single nervous system. 2. C ...
... DIVISIONS OF THE NERVOUS SYSTEM FIGURE 11.1 1. The nervous system can be divided into subdivisions based on structure and on function. Each of the these subdivisions are referred to as separate nervous systems. However, keep in mind that the subdivisions are all part of a single nervous system. 2. C ...