Transitional Probabilities Are Prioritized over Stimulus/Pattern
... Friston, 2005; Bar, 2007). However, although there is neurophysiological evidence showing error signals resulting from failed predictions (Wang et al., 2006; Alink et al., 2010), little is known about how memory representations support predictive processing. Auditory deviance detection, as reflected ...
... Friston, 2005; Bar, 2007). However, although there is neurophysiological evidence showing error signals resulting from failed predictions (Wang et al., 2006; Alink et al., 2010), little is known about how memory representations support predictive processing. Auditory deviance detection, as reflected ...
Neural Correlates of Executive Control in the Avian Brain
... repository of a host of higher-order faculties such as control of action, temporal organization of behaviour, sequencing, goal-directed behaviour, abstract and conceptual thinking, creativity, reasoning, and cognitive flexibility, to name a few [2–5]. Often these faculties are subsumed under two broa ...
... repository of a host of higher-order faculties such as control of action, temporal organization of behaviour, sequencing, goal-directed behaviour, abstract and conceptual thinking, creativity, reasoning, and cognitive flexibility, to name a few [2–5]. Often these faculties are subsumed under two broa ...
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... of rat posterior auditory field (PAF) neurons, we compared neurophysiological responses to simple tones, frequency modulated (FM) sweeps, and amplitude modulated noise and tones with responses of primary auditory cortex (A1) neurons. PAF neurons have excitatory receptive fields that are on average 6 ...
... of rat posterior auditory field (PAF) neurons, we compared neurophysiological responses to simple tones, frequency modulated (FM) sweeps, and amplitude modulated noise and tones with responses of primary auditory cortex (A1) neurons. PAF neurons have excitatory receptive fields that are on average 6 ...
A double-dissociation of English past
... such can be simulated in homogeneous networks (Gonnerman et al., 1997; Juola and Plunkett, 1998). A number of investigators turned to brain-mapping techniques in order to gather more decisive evidence. It would seem that functional neuroimaging tools with their high spatial resolution would be suita ...
... such can be simulated in homogeneous networks (Gonnerman et al., 1997; Juola and Plunkett, 1998). A number of investigators turned to brain-mapping techniques in order to gather more decisive evidence. It would seem that functional neuroimaging tools with their high spatial resolution would be suita ...
Reduced brain habituation to somatosensory stimulation in patients
... were allowed to continue taking their long-term medications including those specifically for FM. At the time of recruitment, subjects were verbally informed about the details of the study, noting that their participation in the study was not linked to their possible litigation process. A patient inf ...
... were allowed to continue taking their long-term medications including those specifically for FM. At the time of recruitment, subjects were verbally informed about the details of the study, noting that their participation in the study was not linked to their possible litigation process. A patient inf ...
Temporal Plasticity Involved in Recovery from Manual Dexterity
... muscimol during the different recovery periods. These findings indicate that, in both the remaining primary motor and premotor cortical areas, time-dependent plastic changes in neural activity and connectivity are involved in functional recovery from the motor deficit caused by the M1 lesion.Therefo ...
... muscimol during the different recovery periods. These findings indicate that, in both the remaining primary motor and premotor cortical areas, time-dependent plastic changes in neural activity and connectivity are involved in functional recovery from the motor deficit caused by the M1 lesion.Therefo ...
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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 ...
Neural analysis of sound frequency in insects
... Cricket songs are dominated by a single narrow frequency band. This spectral purity (which is responsible for the songs’ musical quality) may be an adaptation that facilitates localization of the singer by conspecific listeners. Crickets determine sound direction by comparing sound intensity at the ...
... Cricket songs are dominated by a single narrow frequency band. This spectral purity (which is responsible for the songs’ musical quality) may be an adaptation that facilitates localization of the singer by conspecific listeners. Crickets determine sound direction by comparing sound intensity at the ...
Likelihood approaches to sensory coding in auditory cortex
... the spherical basis functions and allow for the shape of the receptive field to depend on sound intensity. Similarly, the nonlinear dependence of mean latency on intensity is provided by introduction of the final term exp{ξi j η} in equation (1). Constrained optimization techniques were used to fit ...
... the spherical basis functions and allow for the shape of the receptive field to depend on sound intensity. Similarly, the nonlinear dependence of mean latency on intensity is provided by introduction of the final term exp{ξi j η} in equation (1). Constrained optimization techniques were used to fit ...
Modeling Neural Mechanisms of Cognitive-Affective Interaction Abninder Litt () Chris Eliasmith ()
... A key advantage of opponent systems for positive and negative reward prediction error is that we can distinctly calibrate outputs from these systems to other brain areas. Because prediction error is in effect a measurement of surprise, we hypothesize that one target of such outputs is the amygdala, ...
... A key advantage of opponent systems for positive and negative reward prediction error is that we can distinctly calibrate outputs from these systems to other brain areas. Because prediction error is in effect a measurement of surprise, we hypothesize that one target of such outputs is the amygdala, ...
Auditory Nerve Stochasticity Impedes Category Learning: the Role
... Fig 1. Schematic representation of the full AN-CN-IC-A1 (A), the reduced AN-A1 (B) and the simple four-stage (C) models of the auditory brain. Blue circles represent excitatory (E) and red circles represent inhibitory (I) neurons. The connectivity within each stage of the models is demonstrated usin ...
... Fig 1. Schematic representation of the full AN-CN-IC-A1 (A), the reduced AN-A1 (B) and the simple four-stage (C) models of the auditory brain. Blue circles represent excitatory (E) and red circles represent inhibitory (I) neurons. The connectivity within each stage of the models is demonstrated usin ...
BIOL 105 S 2011 MTX 2 QA 110512.1
... C) the spinal cord would not be able to process information at that level. D) the brain would not be able to communicate with that level of the spinal cord. E) incoming sensory information would be disrupted. Answer: E 63) The part of the brain that functions to control skeletal muscles is the A) me ...
... C) the spinal cord would not be able to process information at that level. D) the brain would not be able to communicate with that level of the spinal cord. E) incoming sensory information would be disrupted. Answer: E 63) The part of the brain that functions to control skeletal muscles is the A) me ...
Canonical Neural Computation: A Summary and a Roadmap A
... al., 2005; Kouh and Poggio, 2008). Models of both areas V1 and MT, for example, posit that the greater selectivity and invariance exhibited by neurons in comparison to their inputs derives from an appropriate summation of incoming inputs, coupled with normalization and spike threshold. Models of ven ...
... al., 2005; Kouh and Poggio, 2008). Models of both areas V1 and MT, for example, posit that the greater selectivity and invariance exhibited by neurons in comparison to their inputs derives from an appropriate summation of incoming inputs, coupled with normalization and spike threshold. Models of ven ...
LGN
... LGN interneurons make only local connections. There are more interneurons than relay neurons! LGN neurons get feedback connections from cortex. (The one-way connection from retina to rest of brain is unique in the visual system). LGN gets other inputs as well. For example: from brainstem and perigen ...
... LGN interneurons make only local connections. There are more interneurons than relay neurons! LGN neurons get feedback connections from cortex. (The one-way connection from retina to rest of brain is unique in the visual system). LGN gets other inputs as well. For example: from brainstem and perigen ...
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... but an engineering-grade solution to their integration and interaction is still open. Inspired by the brain’s dorsal and ventral pathways in cortical visual processing, we present a neuromorphic architecture, called Where-What Network 2 (WWN-2), to integrate object attention and recognition interact ...
... but an engineering-grade solution to their integration and interaction is still open. Inspired by the brain’s dorsal and ventral pathways in cortical visual processing, we present a neuromorphic architecture, called Where-What Network 2 (WWN-2), to integrate object attention and recognition interact ...
A Study on Various Sites of Supranuclear Facial Nerve
... the facial nerve lesion is supranuclear.With the help of CT Scan of brain most of the supranuclear varieties of the facial nerve lesion is found to be due to cerebrovascular accident as a result of haemorrhage or infarct.Among these haemorrhagic is most common and among location lentiform nucleus is ...
... the facial nerve lesion is supranuclear.With the help of CT Scan of brain most of the supranuclear varieties of the facial nerve lesion is found to be due to cerebrovascular accident as a result of haemorrhage or infarct.Among these haemorrhagic is most common and among location lentiform nucleus is ...
Subconscious Stimulus Recognition and Processing During
... averaged, sound-evoked activities in both areas were well preserved during sleep. These results may approximately demonstrate similar discharge patterns during sleep as during wakefulness, and may suggest two important features of stimulus processing. The first feature is: The thalamus functions as ...
... averaged, sound-evoked activities in both areas were well preserved during sleep. These results may approximately demonstrate similar discharge patterns during sleep as during wakefulness, and may suggest two important features of stimulus processing. The first feature is: The thalamus functions as ...
Mechanisms underlying working memory for novel information
... underlie working memory [11–13,57] and encoding into episodic memory [24,25,56]. Working memory Biophysical compartmental simulations of layer II non-stellate neurons [13] demonstrate how the Alonso current can underlie the sustained delay period spiking in the entorhinal cortex seen with extracellu ...
... underlie working memory [11–13,57] and encoding into episodic memory [24,25,56]. Working memory Biophysical compartmental simulations of layer II non-stellate neurons [13] demonstrate how the Alonso current can underlie the sustained delay period spiking in the entorhinal cortex seen with extracellu ...
Study Guide Solutions
... field, eat just half of the food on their plate, or apply makeup to just half of their face. The very different outcomes for patients with ventral (temporal lobe) versus dorsal (parietal lobe) brain areas has lent support for separate visual streams or pathways for processing ‘what’ information and ...
... field, eat just half of the food on their plate, or apply makeup to just half of their face. The very different outcomes for patients with ventral (temporal lobe) versus dorsal (parietal lobe) brain areas has lent support for separate visual streams or pathways for processing ‘what’ information and ...
Evidence for a distributed hierarchy of action
... The review begins with a brief historic perspective on action hierarchy and related mechanisms based on insights from behavioral studies in normal participants and patients with focal neurological lesions. This is followed by our work on action representation using methods of brain imaging with a fo ...
... The review begins with a brief historic perspective on action hierarchy and related mechanisms based on insights from behavioral studies in normal participants and patients with focal neurological lesions. This is followed by our work on action representation using methods of brain imaging with a fo ...
Branched thalamic afferents - the Sherman Lab
... currently being generated at lower levels. An efference copy is an instruction for a movement and must be clearly distinguished from the movement itself. It is not a movement. Even if the axon that represents the efference copy innervates a ventral horn cell whose axon goes directly to a muscle, thi ...
... currently being generated at lower levels. An efference copy is an instruction for a movement and must be clearly distinguished from the movement itself. It is not a movement. Even if the axon that represents the efference copy innervates a ventral horn cell whose axon goes directly to a muscle, thi ...
Usman and Shugaba - Modern Research Publishers
... stimuli. Furthermore, the anatomy of this system is consistent with the idea that the hippocampus extends and combines the functions performed by the adjacent perirhinal and parahippocampal cortices, which are positioned earlier in the information-processing hierarchy. Recognition memory tests ask w ...
... stimuli. Furthermore, the anatomy of this system is consistent with the idea that the hippocampus extends and combines the functions performed by the adjacent perirhinal and parahippocampal cortices, which are positioned earlier in the information-processing hierarchy. Recognition memory tests ask w ...