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Sprecher_2011_larval.. - Institute of Neuroinformatics
Sprecher_2011_larval.. - Institute of Neuroinformatics

... located in the eye. Upon perception of light the PRs will send a signal to target neurons, which represent a first station of visual processing. Increasing complexity of visual processing stems from the number of distinct PR subtypes and their various types of target neurons that are contacted. The v ...
Cross modality matching of brightness and loudness
Cross modality matching of brightness and loudness

... Cross modality matching is a magnitude matching procedure, developed to study the relationships between sensory modalities. Auditory and visual sensory integration can be examined through cross modality matching of brightness and loudness. Brightness and loudness are natural correlates of one anothe ...
UNC-119 suppresses axon branching
UNC-119 suppresses axon branching

... to develop a few hours (L1 group). Non-heat-shocked sibling larvae were also allowed to develop for an additional 30-36 hours after hatching before being heat shocked as L3s (L3 group). For all groups (including non-heat-shocked controls) the morphologies of the DD axons were scored in worms express ...
Time course of the development of motor behaviors in the zebrafish
Time course of the development of motor behaviors in the zebrafish

... The movements of the embryos were filmed using a CCD camera (Panasonic wv-bp510) mounted on a dissection microscope. Video fields (two per frame) were recorded on a VCR (Panasonic S-VHS), which was sufficient to resolve the direction, speed, and duration of slow, spontaneous contractions. For the re ...
A thalamic reticular networking model of consciousness
A thalamic reticular networking model of consciousness

... pass through the ventral thalamus [17], the major component of which is the thalamic reticular nucleus (TRN), a sheer laminar wrapping around the thalamus. It is worth noting that the TRN occupies a striking control position in the brain. The cerebral cortex and thalamus connect in a reciprocal mann ...
BMC Neuroscience
BMC Neuroscience

... Here we tested whether geographic proximity or cortical type best explains the pattern of commissural projections linking prefrontal cortices. The prefrontal cortex is an ideal model system to investigate patterns of commissural projections because it has distinct lateral, orbitofrontal and medial s ...
Okamoto Devel Neurbiol Review
Okamoto Devel Neurbiol Review

... into dHb and vHb based on differences in cytoarchitecture (Braford and Northcutt, 1983; Kemali and Làzàr, 1985). The zebrafish dHb projects to the IPN (Aizawa et al., 2005; Gamse et al., 2005) and is thus analogous to the medial habenula of mammals [Fig. 3(A,B)]. Axonal tracing in live and fixed fish ...
The neuroprotective effects of milk fat globule
The neuroprotective effects of milk fat globule

... progression [6]. This suggests that MFG-E8 acts as a suppressor of the peripheral immune system and that MFG-E8 may be a therapeutic target for immune-mediated bowel diseases [7,8]. Microglia are resident immune cells in the central nervous system (CNS). In neurodegenerative diseases, such as AD and ...
electrophysiological and synaptic properties of rat superior and
electrophysiological and synaptic properties of rat superior and

Specialized prefrontal "auditory fields": organization of primate
Specialized prefrontal "auditory fields": organization of primate

... (Figure 1, top; Hackett et al., 1999; Romanski et al., 1999a,b). These areas receive pathways from auditory association cortices from a restricted and more caudal part of STG, within the parabelt and belt areas (Figure 1, top; Barbas and Mesulam, 1981, 1985; Hackett et al., 1999; Romanski et al., 19 ...
Neurodynamical theory of decision confidence Andrea Insabato TESI DOCTORAL UPF / 2014
Neurodynamical theory of decision confidence Andrea Insabato TESI DOCTORAL UPF / 2014

... that a double-layer attractor neural network can account for neural recordings and behavior of rats in a post-decision wagering experiment. In this model a decision-making layer takes the perceptual decision and a separate confidence layer monitors the activity of the decisionmaking layer and makes ...
Three-dimensional organization of dendrites and local axon
Three-dimensional organization of dendrites and local axon

... i.e., the medium-sized spiny projection neurons (MSN) appear to have a much less clearly ordered geometry than the cortical pyramidal neurons. However, Walker et al. (1993) described a preferred orientation of the dendritic arbors of MSN in the primate striatum along a rostral– dorsal–medial to caud ...
Topographic Organization of Corticospinal Projections from the
Topographic Organization of Corticospinal Projections from the

... tion sites” as including only these zones. ’ At least every fourth cortical section through the frontal lobe was plotted to determine the distribution of corticospinal neurons. In all animals, some glial labeling was seen surrounding intensely labeled FB neurons (Fig. lc). However, we had no difficu ...
Neural constraints on learning
Neural constraints on learning

The Time Course and Amplitude of EPSPs Evoked at Synapses
The Time Course and Amplitude of EPSPs Evoked at Synapses

... synapses cannot be obtained from this technique, nor can details of convergence of CA3 pyramidal neurons onto single CA1 neurons or of divergence of CA3 neurons into the CA1 field. A knowledge of the amplitudes and time courses of EPSPs evoked at connections formed between single CA3 and CA1 neurons ...
Olfaction and the Chemical Senses
Olfaction and the Chemical Senses

... systems, where the patterns to be recognized require complex computational processes of reconstruction to convert the raw data from the receptors into a construct that is invariant enough from one exposure to a stimulus to the next so that recognition may take place, recognition cannot occur until s ...
THESIS D - Krishikosh
THESIS D - Krishikosh

... and well wishes, I want to preserve a special love for my relatives and well wishers, which enable me to complete the entire research program successfully. I would always remember the invaluable help, active cooperation and constant inspiration of my wife Dr. Sanjivani and my lovely son Arjun who ma ...
Fig. 1
Fig. 1

... All experiments were repeated at least three times and the results are presented as the mean ± standard error of the mean. Statistical differences between experimental conditions were analyzed by unpaired t-test tool of the SigmaPlot software. 3. Results 3.1. Early expression of Hsp90 in growth cone ...
Multiple Modes of Action Potential Initiation and Propagation in
Multiple Modes of Action Potential Initiation and Propagation in

PPT
PPT

... is intending to perform(SUA) – Direction of planned arm and eye movements(LFP) – Tuning widths for movement directions(LFP, SUA) LFP in general shows responses properties similar to that of the neurons recorded in the same brain region ...
The Effects of Short-term and Long-term Learning on the Responses
The Effects of Short-term and Long-term Learning on the Responses

... been arbitrarily associated with certain behaviors (Toth & Assad, 2002), but monkeys nonetheless do not have particular problems with relearning a similar task after parietal lesions, including a lesion of LIP (Rushworth et al., 1997). We sought to understand to which extent and how LIP responses ch ...
Glia–Neuron Interactions in Nervous System Function
Glia–Neuron Interactions in Nervous System Function

Different neurotrophins are expressed and act in a developmental
Different neurotrophins are expressed and act in a developmental

... Work on nerve growth factor (NGF) supports the proposal that neuronal target fields produce limiting quantities of neurotrophins that promote the survival of the appropriate number of innervating neurons during development (Davies, 1988; Barde, 1989). NGF is synthesized in the target fields of devel ...
In 1978 Mountcastle hypothesized that the smallest functional unit of
In 1978 Mountcastle hypothesized that the smallest functional unit of

... (“mosaic”) made up of discrete place-defined macrocolumns – “segregates”– in the region of cat and monkey somatosensory cortex which receives input from forelimb skin, also proposed that discrete place-defined macrocolumns are a common mode of topographic organization throughout somatosensory cortex ...
Review Getting Formal with Dopamine and Reward
Review Getting Formal with Dopamine and Reward

... drug addiction. In view of these well-established results, several studies investigated neuronal mechanisms of reward by studying the impulse activity of single neurons in the dopamine system and other presumptive reward structures. In particular, we were interested to understand which specific info ...
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Neural coding

Neural coding is a neuroscience-related field concerned with characterizing the relationship between the stimulus and the individual or ensemble neuronal responses and the relationship among the electrical activity of the neurons in the ensemble. Based on the theory thatsensory and other information is represented in the brain by networks of neurons, it is thought that neurons can encode both digital and analog information.
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