Background Autonomous reflexes enable animals to respond quickly to potential threats, prevent injury and mediate fight or flight responses. Intense acoustic stimuli with sudden onsets elicit a startle reflex while stimuli of similar intensity but with ...
Janik Vincent M, Götz Thomas
doaj +1 more source
Hypnotizability, hypnosis and prepulse inhibition of the startle reflex in healthy women: an ERP analysis. [PDF]
A working model of the neurophysiology of hypnosis suggests that highly hypnotizable individuals (HHs) have more effective frontal attentional systems implementing control, monitoring performance, and inhibiting unwanted stimuli from conscious awareness,
Vilfredo De Pascalis, Emanuela Russo
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Effect of stress and attention on startle response and prepulse inhibition [PDF]
The startle reflex magnitude can be modulated when a weak stimulus is presented before the onset of the startle stimulus, a phenomenon termed prepulse inhibition (PPI).
Casa Rivas, Luis Gonzalo de La +2 more
core +1 more source
Pdxdc1 modulates prepulse inhibition of acoustic startle in the mouse. [PDF]
Current antipsychotic medications used to treat schizophrenia all target the dopamine D2 receptor. Although these drugs have serious side effects and limited efficacy, no novel molecular targets for schizophrenia treatment have been successfully ...
Boutros, PC +5 more
core +1 more source
Habituation of the startle reflex depends on attention in cannabis users
Background Cannabis use is associated with an attention-dependent deficit in prepulse inhibition of the startle reflex (PPI). The aim of the current study was to investigate startle habituation in cannabis users and healthy controls during two ...
Karina K. Kedzior +2 more
doaj +1 more source
Startle response and prepulse inhibition modulation by positive- and negative-induced affect [PDF]
The startle response, a set of reflex behaviours intended to prepare the organism to face a potentially threatening stimulus, can be modulated by several factors as, for example, changes in affective state, or previous presentation of a weak stimulus ...
Casa Rivas, Luis Gonzalo de La +2 more
core +1 more source
Prepontine non-giant neurons drive flexible escape behavior in zebrafish [PDF]
Many species execute ballistic escape reactions to avoid imminent danger. Despite fast reaction times, responses are often highly regulated, reflecting a trade-off between costly motor actions and perceived threat level.
Bergeron, S. +4 more
core +2 more sources
Interactions between stretch and startle reflexes produce task-appropriate rapid postural reactions
Neural pathways underpinning startle reflex and limb stretch reflexes evolved independently and have served vastly different purposes. In their most basic form, the pathways responsible for these reflex responses are relatively simple processing units ...
Jonathan eShemmell
doaj +1 more source
The influence of affective factors on time perception [PDF]
Several studies have suggested that both affective valence and arousal affect the perception of time. How-ever, in previous experiments these two affective dimensions were not systematically controlled.
Angrilli, Alessandro +3 more
core +1 more source
THE HYPEREKPLEXIAS AND THEIR RELATIONSHIP TO THE NORMAL STARTLE REFLEX
The startle response to unexpected auditory and somaesthetic stimulation was studied in 8 patients with hereditary or symptomatic hyperekplexia. It was abnormal in its resistance to habituation and in its exaggerated motor response. Both noise and taps to the face and head elicited a normal early blink response, separate from the subsequent true ...
Brown, P +5 more
openaire +2 more sources

