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Wasp Voodoo Rituals, Venom-Cocktails, and the Zombification of Cockroach Hosts SYMPOSIUM Frederic Libersat
Wasp Voodoo Rituals, Venom-Cocktails, and the Zombification of Cockroach Hosts SYMPOSIUM Frederic Libersat

... these agarose pellets indicated that venom was injected into harder but not into softer pellets, suggesting that softer but not harder agarose pellets triggered the wasp’s sensory feedback necessary for injection of venom. These results demonstrate that mechanical cues are at least sufficient to ind ...
Functional Neuroimaging Insights into the Physiology of Human Sleep
Functional Neuroimaging Insights into the Physiology of Human Sleep

... mechanisms.55,56 Using high-density EEG recordings, Massimini and colleagues have examined the patterns of origin and propagation of slow oscillations from scalp recordings.57 They have found that each slow oscillation originates at a specific site, usually in frontal regions, and propagates followi ...
Reward Systems in the Brain and Nutrition
Reward Systems in the Brain and Nutrition

Specific synapses develop preferentially among sister excitatory
Specific synapses develop preferentially among sister excitatory

Anxiolytic action on the behavioural inhibition system implies
Anxiolytic action on the behavioural inhibition system implies

... The 1982 theory attempted to encompass all the information available at that time on the neural and behavioural actions of the anxiolytic drugs, the nature of theta activity and the neural and behavioural functions of the SHS. The explosion of data since its publication prompted us to produce a seco ...
Lateral Hypothalamus Contains Two Types of Palatability
Lateral Hypothalamus Contains Two Types of Palatability

... Recording sessions typically lasted less than an hour and consisted of 15–20 repeats of each of the five taste stimuli, for a total of 75–100 separate taste deliveries. We have previously shown that palatability and neural responses are stable across this length of session and volume of fluid consum ...
Different Roles for Amygdala Central Nucleus and Substantia
Different Roles for Amygdala Central Nucleus and Substantia

... depend on circuitry that includes the amygdala central nucleus (CeA), the cholinergic neurons in the sublenticular substantia innominata/nucleus basalis magnocellularis (SI/nBM), as well as certain cortical projections of these latter neurons. In this study, we found very different roles for CeA and ...
Ectopic Expression of the Neuropeptide Pigment
Ectopic Expression of the Neuropeptide Pigment

... Helfrich-Förster (1998)]. A fly was regarded as “simple and robust rhythmic” when visual inspection revealed a rather stable period throughout the recording interval and the periodogram showed a discrete definable peak with a power exceeding 20% (width of peak ⬎1 hr). A fly was classified as “compl ...
local connectivity between neurons of the rat globus pallidus
local connectivity between neurons of the rat globus pallidus

... µm of the striatal border) i.e., the lateral and rostral poles of the GP (hereafter referred to as ‘lateral neurons’). The second group is located in the more medial and caudal aspects of the GP (hereafter referred to as ‘medial neurons’). Neurons in both groups possess extensive local axonal arbori ...
Carlisi_preprint_revisions2
Carlisi_preprint_revisions2

... 2014d). In adult ADHD, abnormal striato-limbic activation has been observed (Plichta et al., 2009). Neurotransmitters such as serotonin (5-HT) are implicated in ADHD (Oades, 2007, 2008), potentially via modulation of these neural circuits. Converging evidence across methodologies shows that serotone ...
http://www.utdallas.edu/~tres/papers/Disterhoftetal1994.pdf
http://www.utdallas.edu/~tres/papers/Disterhoftetal1994.pdf

... intimately involved in a variety of “plastic” changes in the brain. For example, during adaptive processes such as learning and development, changes in transmembrane calcium fluxes correlate with changes in neuronal excitability and structural connectivity. Calcium thus is likely to have key roles i ...
extrasynaptic glutamate does not reach the postsynaptic density
extrasynaptic glutamate does not reach the postsynaptic density

... receptors in the postsynaptic density (PSD), glutamate (Glu) could affect the synaptic transmission. We have tested this possibility in the hippocampal CA1 synapses of rats, either by applying exogenous Glu to the CA1 neurons or by disruption of Glu transporter activity. LGlu (400 AM) was directly a ...
The Calcium Rationale in Aging and Alzheimer`s Disease
The Calcium Rationale in Aging and Alzheimer`s Disease

... intimately involved in a variety of “plastic” changes in the brain. For example, during adaptive processes such as learning and development, changes in transmembrane calcium fluxes correlate with changes in neuronal excitability and structural connectivity. Calcium thus is likely to have key roles i ...
Glutamate Receptors
Glutamate Receptors

... loops? First, when descending corticobrainstem glutamate pathways have hypofunctioning NMDA receptors in the ventral tegmental area, this creates mesolimbic dopamine hyperactivity and positive symptoms of psychosis, as already eXplained above and illustrated in Figure 9-39B. The effects of this on C ...
Neuromorphic computing
Neuromorphic computing

... Is this a viable solution for robotics? Not really. • even if we would like to simulate smaller networks, simulations will not be real-time • usually robotics labs do not have supercomputers • supercomputers work with job systems and as of today no interactive job mechanism exists • latencies betwee ...
Convergent grey and white matter evidence of
Convergent grey and white matter evidence of

... scores could discriminate 490% of behavioural variant FTD and patients with Alzheimer’s disease. The neural correlates of performance in the Hayling Test, which appears sensitive and specific to behavioural variant FTD, have not been explored using automated methods of structural brain analysis, suc ...
The role of the hypothalamic dorsomedial nucleus in the central
The role of the hypothalamic dorsomedial nucleus in the central

... 5.2.2. PrRP-containing nerve fibers and terminals in the DMH PrRP immunolabeling was detected in different parts of the hypothalamus. PrRP-ir cell bodies appeared exclusively in the most caudal part of the DMH, while PrRP-ir fibers were present in the dorsal and ventral subdivisions of the DMH, as ...
brain derived neurotrophic factor transport and physiological
brain derived neurotrophic factor transport and physiological

... Damien Keating, and Prof. Nikolai Petrovsky who have given time and energy to helping me in my research projects. They have taught me a lot not only how to design and carry out experiments according to scientific criteria but also the skills for writing and presentation. Without them, this dissertat ...
C fibres (dull pain)
C fibres (dull pain)

... fibers and central cells that permits only one type of nerve impulse (pain or no pain) to pass through. Serving in a capacity similar to that of a “switch operator” in a railroad yard, the SG monitors the amount of activity occurring on both incoming tracts in a convergent system Opening and closing ...
Serotonin synthesis, release and reuptake in terminals: a
Serotonin synthesis, release and reuptake in terminals: a

... mechanism and function on four different levels, genomic, biochemical, electrophysiological, and behavioral, but changes on each level affect function on the other three levels, and this makes the interpretation of experimental and clinical results very difficult. In addition, the brain is not fixed ...
Stress and Glucocorticoids Affect the Expression of Brain
Stress and Glucocorticoids Affect the Expression of Brain

... Because neurotrophic factors are necessary for the normal development, survival, and plasticity of neurons, we reasoned that they too might be relevant to the neuropathological effects of chronic stress. In addition to NGF, several related neurotrophic factors have been recently characterized includ ...
Genesis and Control of the Respiratory Rhythm in Adult
Genesis and Control of the Respiratory Rhythm in Adult

... rhythm, because in anesthetized and vagotomized cats lesion of the dorsal pons induced apneusis, i.e., very-long-lasting inspirations (>5 s) interrupted by short expirations. However, because apneusis does not occur without vagotomy and anesthesia, and because it is questionable whether it occurs in ...
PDF
PDF

... al., 2002; Orioli et al., 1996; Wang et al., 1998) unless accompanied by somite patterning defects (Davy and Soriano, 2007). One possibility is that Eph/ephrin and/or Nrp1/Sema3A signaling is required to direct segmental DRG formation downstream of Nrp2. We reasoned that this requirement would not b ...
Anatomical Evidence of Multimodal Integration in Primate
Anatomical Evidence of Multimodal Integration in Primate

... anatomical and single-unit recording studies point to multisensory integration in polysensory areas located in temporal, parietal, and frontal cortex (Goldman-Rakic, 1988). However there is recent electrophysiological and brain imaging evidence that visual, auditory, and somatosensory integration oc ...
Cortex, Cognition and the Cell: New Insights into the Pyramidal
Cortex, Cognition and the Cell: New Insights into the Pyramidal

... Of all cortical regions in the brain, the most extensively studied is sensory cortex. In particular, the visual cortex of the macaque monkey has been the focus of much interest due to its parallels with the human visual system (Kaas, 1992). Visual cortex, like other sensory cortices, lends itself to ...
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Metastability in the brain

In the field of computational neuroscience, the theory of metastability refers to the human brain’s ability to integrate several functional parts and to produce neural oscillations in a cooperative and coordinated manner, providing the basis for conscious activity.Metastability, a state in which signals (such as oscillatory waves) fall outside their natural equilibrium state but persist for an extended period of time, is a principle that describes the brain’s ability to make sense out of seemingly random environmental cues. In the past 25 years, interest in metastability and the underlying framework of nonlinear dynamics has been fueled by advancements in the methods by which computers model brain activity.
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