Diana Martinez

Publications19
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Citations30
Highly Influential Citations2
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The Frequency Preference of Neurons and Synapses in a Recurrent Oscillatory Network
A variety of neurons and synapses shows a maximal response at a preferred frequency, generally considered to be important in shaping network activity. We are interested in whether all neurons and… Expand
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Short-Term Synaptic Plasticity in Central Pattern Generators
TLDR
Short-term synaptic plasticity (STP) is a transient (milliseconds to minutes) activity-dependent change in the amplitude (strength) of the postsynaptic current in response to presynaptic activity. Expand
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Loss of excitatory amino acid transporter restraint following chronic intermittent hypoxia contribute to synaptic alterations in nucleus tractus solitarii.
Peripheral viscerosensory afferent signals are transmitted to the nucleus tractus solitarii (nTS) via release of glutamate. Following release, glutamate is removed from the extrasynaptic and synaptic… Expand
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Astrocytic glutamate transporters reduce the neuronal and physiological influence of metabotropic glutamate receptors in nucleus tractus solitarii.
Astrocytic excitatory amino acid transporters (EAATs) are critical to restraining synaptic and neuronal activity in the nucleus tractus solitarii (nTS). Relief of nTS EAAT restraint generates two… Expand
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Hydrogen peroxide inhibits neurons in the paraventricular nucleus of the hypothalamus via potassium channel activation.
The paraventricular nucleus (PVN) of the hypothalamus is an important homeostatic and reflex center for neuroendocrine, respiratory and autonomic regulation, including during hypoxic stressor… Expand
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Short-term synaptic dynamics control the activity phase of neurons in an oscillatory network
In oscillatory systems, neuronal activity phase is often independent of network frequency. Such phase maintenance requires adjustment of synaptic input with network frequency, a relationship that we… Expand
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The PVN Enhances Cardiorespiratory Responses to Acute Hypoxia via Input to the nTS.
Chemoreflex neurocircuitry includes the PVN, but the role of PVN efferent projections to specific cardiorespiratory nuclei is unclear. We hypothesized the PVN contributes to cardiorespiratory… Expand
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The role of astrocytes in the nucleus Tractus Solitarii in maintaining central control of autonomic function.
The nucleus Tractus Solitarii (nTS) is the first central site for the termination and integration of autonomic and respiratory sensory information. Sensory afferents terminating in the nTS as well as… Expand
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The differential contribution of pacemaker neurons to synaptic transmission in the pyloric network of the Jonah crab, Cancer borealis.
Many neurons receive synchronous input from heterogeneous presynaptic neurons with distinct properties. An instructive example is the crustacean stomatogastric pyloric circuit pacemaker group,… Expand
Mechanisms Underlying Neuroplasticity in the Nucleus Tractus Solitarii Following Hindlimb Unloading in Rats
Hindlimb unloading (HU) in rats induces cardiovascular deconditioning (CVD) analogous to that observed in individuals exposed to microgravity or bed rest. Among other physiological changes, HU rats… Expand
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