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Overexcitability is a term introduced to current psychology by Kazimierz Dąbrowski as part of his theory of positive disintegration (TPD). Overexcitability is a rough translation of the Polish word 'nadpobudliwość', which is more accurately translated as 'superstimulatability' in English.
Cell excitability is the change in membrane potential that is necessary for cellular responses in various tissues. The resting potential forms the basis of cell excitability and these processes are fundamental for the generation of graded and action potentials. Normal and pathological activities in the heart and brain can be modelled as ...
Nerve excitability examination complements conventional nerve conduction studies by allowing insight into biophysical characteristics of axons, as well as their ion-channel functioning. [10] The protocol is aimed at providing information about nodal as well as internodal ion channels, and the indices are extremely sensitive to axon membrane ...
Abnormalities in neuronal excitability have been noted in amyotrophic lateral sclerosis and diabetes patients. While the mechanism ultimately responsible for the variance differs between the two conditions, tests through a response to ischemia indicate a similar resistance, ironically, to ischemia and resulting paresthesias.
Cell excitability is the change in membrane potential that is necessary for cellular responses in various tissues. Cell excitability is a property that is induced during early embryogenesis. [27] Excitability of a cell has also been defined as the ease with which a response may be triggered. [28]
there is an inverse relationship between excitability of a neuron and its size. Together, these relationship were termed the "size principle". Decades of research elaborated on these initial finding on motor neuron properties and recruitment of motor units (neuron + muscle fibers), [ 7 ] and the relationship between neuron excitability and its ...
Irritability is the excitatory ability that living organisms have to respond to changes in their environment. [1] The term is used for both the physiological reaction to stimuli and for the pathological, abnormal or excessive sensitivity to stimuli.
Chronaxie is the tissue-excitability parameter that permits choice of the optimum stimulus pulse duration for stimulation of any excitable tissue. Chronaxie (c) is the Lapicque descriptor of the stimulus pulse duration for a current of twice rheobasic (b) strength, which is the threshold current for an infinitely long-duration stimulus pulse.