Emotional response to haptic stimuli is a widely researched topic, but the combination of vibrotactile and thermal requires more attention. The purpose this study investigate emotional vibrothermal stimulation by combining spatiotemporal stimulus with dynamic (hot or cold). were produced using Haptic Chair Embr wave bracelet, respectively. results show that patterns their duration, stimulation,...

OBJECTIVE Patterned photo-stimulation offers a promising path towards the effective control of distributed neuronal circuits. Here, we demonstrate the feasibility and governing principles of spatiotemporally patterned microscopic photo-absorber induced neural-thermal stimulation (PAINTS) based on light absorption by exogenous extracellular photo-absorbers. APPROACH We projected holographic li...

Optical neuromodulation is a versatile neural stimulation technology that enables highly localized excitatory or inhibitory of neuronal activities. Photothermal using thermoplasmonic metallic nanoparticles for light to heat conversion has been suggested as an optical without genetic modification. fibers implementing the effect were recently developed stimulation, and successful demonstration in...

Pain has a strong emotional dimension, and the amygdala plays a key role in emotionality. The processing of nociceptive mechanical and thermal information was studied in individual neurons of the central nucleus of the amygdala, the target of the spino-parabrachio-amygdaloid pain pathway and a major output nucleus of the amygdala. This study is the first to characterize nociceptive amygdala neu...

Threshold sensory stimulation of the skin has become the object of increasingly intensive investigation since the classic report by Hardy, Wolff and Goodell' on the pain threshold of thermal radiation. The literature on the subject is rapidly becoming voluminous with interesting ramifications appearing in many fields of medicine. More recently Cormia3 reported on the itch threshold in experimen...

Infrared thermography provides a non-invasive and dynamic measure of heat. The thermal preservability effects of a salt footbath were evaluated by the infrared thermography technique. The subjects were 23 healthy college students. Feet were soaked for 10 min in a 40-42 degrees C normal footbath. Room temperature was set at 26.5-28 degrees C. At the same time on another day within 3 days of the ...

The mechanisms by which vibrotactile stimuli relieve pain are not well understood, especially in humans. We recorded cortical magnetic responses to paired noxious (intra-epidermal electrical stimulation, IES) and innocuous (transcutaneous electrical stimulation, TS) stimuli applied to the back at a conditioning-test interval (CTI) of -500 to 500 ms. Results showed that IES-induced responses wer...

OBJECTIVES The initiation of the pain sensation experienced following the thermal stimulation of dentine has been correlated with fluid flow in the dentinal tubules. There may be other mechanisms. METHODS This study examines this possibility using a mathematical model to simulate the temperature and thermal stress distribution in a tooth undergoing thermal stimulation. The results obtained we...