Results 61 to 70 of about 279,629 (188)

Hippocampal and amygdala volumetry by MRI in elderly with normal or mildly impaired cognition using FreeSurfer software

open access: yesJournal of the Mexican Federation of Radiology and Imaging, 2023
Introduction. Decreased hippocampal and amygdala volume has been associated with cognitive impairment. This study compared hippocampal and amygdala volumes in older adults with normal cognition and mild cognitive impairment (MCI) using magnetic resonance
Paloma F. Vazquez-Jimenez   +5 more
doaj   +1 more source

Impaired recognition of social emotions following amygdala damage [PDF]

open access: yes, 2002
Lesion, functional imaging, and single-unit studies in human and nonhuman animals have demonstrated a role for the amygdala in processing stimuli with emotional and social significance.
Adolphs, Ralph   +2 more
core   +2 more sources

Smaller volumes in the lateral and basal nuclei of the amygdala in patients with panic disorder. [PDF]

open access: yesPLoS ONE, 2018
The amygdala plays an important functional role in fear and anxiety. Abnormalities in the amygdala are believed to be involved in the neurobiological basis of panic disorder (PD).
Takeshi Asami   +6 more
doaj   +1 more source

Fear and the human amygdala [PDF]

open access: yes, 1995
We have previously reported that bilateral amygdala damage in humans compromises the recognition of fear in facial expressions while leaving intact recognition of face identity (Adolphs et al., 1994).
Adolphs, Ralph   +3 more
core  

Interaction of GABA and Excitatory Amino Acids in the Basolateral Amygdala: Role in Cardiovascular Regulation [PDF]

open access: yes, 1997
Activation of the amygdala in rats produces cardiovascular changes that include increases in heart rate and arterial pressure as well as behavioral changes characteristic of emotional arousal.
Cook, Jennifer C.   +3 more
core   +2 more sources

Progressively Disrupted Intrinsic Functional Connectivity of Basolateral Amygdala in Very Early Alzheimer’s Disease

open access: yesFrontiers in Neurology, 2016
:Very early Alzheimer’s disease (AD) - i.e., AD at stages of mild cognitive impairment (MCI) and mild dementia - is characterized by progressive structural and neuropathologic changes such as atrophy or tangle deposition in medial temporal lobes ...
Marion Ortner   +14 more
doaj   +1 more source

Insecure attachment during infancy predicts greater amygdala volumes in early adulthood [PDF]

open access: yes, 2014
Background The quality of the early environment is hypothesized to be an influence on morphological development in key neural areas related to affective responding, but direct evidence to support this possibility is limited.
Ahnert   +62 more
core   +2 more sources

Following one's heart: cardiac rhythms gate central initiation of sympathetic reflexes [PDF]

open access: yes, 2009
Central nervous processing of environmental stimuli requires integration of sensory information with ongoing autonomic control of cardiovascular function.
Critchley, Hugo D   +4 more
core   +1 more source

Brain Differences in the Prefrontal Cortex, Amygdala, and Hippocampus in Youth with Congenital Adrenal Hyperplasia [PDF]

open access: yes, 2020
Context: Classical Congenital Adrenal Hyperplasia (CAH) due to 21-hydroxylase deficiency results in hormone imbalances present both prenatally and postnatally that may impact the developing brain.
Azad, Anisa   +5 more
core  

Amygdala Pain Mechanisms [PDF]

open access: yes, 2015
A limbic brain area, the amygdala plays a key role in emotional responses and affective states and disorders such as learned fear, anxiety, and depression. The amygdala has also emerged as an important brain center for the emotional-affective dimension of pain and for pain modulation.
openaire   +2 more sources

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