They find that 1) neurons in the MeA have heightened stimulus specificity as compared with neurons in the accessory olfactory bulb, the upstream region; 2) sexually dimorphic responses that require intact estrogen signaling in the prenatal mouse brain.
Although FRN amplitude variation has been reported in response to heightened stimulus saliency or heightened subjective motivational significance (Gehring and Willoughby, 2002; Yeung et al., 2005) of the respective stimulus, the way in which this salient outcome is delivered had no impact on FRN amplitude size per se in the current study.
The combination of high intensity and high frequency vibrotactile stimuli heightened tension on the other hand.
This effect is heightened for salty stimuli and in individuals who are genetic supertasters.
From the subscale covering positive symptomatology, item 4 assessing excitement ("hyperactivity as reflected in accelerated motor behavior, heightened responsivity to stimuli, hypervigilance or excessive mood lability") was employed (Tables 2 and 3).
Specifically, they showed that any effect of attentional preference, expected to be influenced by stimulus heightened salience, cannot be explained simply by detection threshold, or vice versa.
REM is also implicated in post-traumatic stress disorder (PTSD), which is characterized by sleep disturbance, heightened reactivity to fearful stimuli, and nightmares.
Migraine is characterized by severe pain and heightened sensitivity to sensory stimuli that results in depression of normal daily activities.
Those with fragmented, disordered sleep, experience a heightened response to painful stimuli.
In contrast, it has also been suggested that Alzheimer patients have a heightened threshold for detecting stimuli in the environment [32].
