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Neuroanatomy,ххх видео вк Limbic SystemThe hypothalamus plays many roles in maintaining homeostasis. However, its role in the limbic system receives less attention. Connections between the hypothalamus, nucleus accumbens, ventral tegmental area, hippocampus, and

;amygdala have been established. The neural interface between these structures is essential for behaviors such as food-seeking and escape and fear from predators. This interface has been described as the ȁ;limbic-motor interface,ȁ; it is a model for the initiation of actions by limbic губка боб мультсериал смотреть онлайн forebrain structures and helps explain how the ȁ;emotive brainȁ; and ȁ;cognitive brainȁ; operate together to initiate a response.The olfactory bulbs are involved in the sense of smell. They transfer olfactory information to the amygdala, orbitofrontal cortex, and hippocampus for processing. The amygdala then processes this information and uses it for associative learning. For example, by encoding odor cues associated with a positive or negative taste.The hippocampus is an allocortical structure that is;important for the consolidation of information, including short-term, long-term, and spatial memory. People with extensive bilateral hippocampal damage are likely to have anterograde amnesia, as demonstrated in the infamous case of ȁ;H.M.ȁ;;Schizophrenic patients have been reported to have reductions in the size of their hippocampi. The parahippocampal gyrus is the cortical region surrounding the hippocampus with roles in scene recognition, and memory encoding and retrieval. Like the hippocampus, the parahippocampal gyrus has been observed to be asymmetrical in patients with schizophrenia.The fornix is the major output tract of the hippocampus. Its exact function is not clear, but lesions along the fornix яндекс видео онлайняндекс смотреть фильмы бесплатнояндекс смотреть фильмы онлайн бесплатнояндекс фильмы онлайн бесплатнояндекс фильмы онлайняндекс фильмыяндекс поиск по видеоyandex russian video have been shown to cause problems with recall memory. The columns of the fornix end at the mammillary bodies. The mammillary body has limbic connections with the amygdala, hippocampus, and anterior thalamic nuclei. The mammillary bodies are important for episodic memory. Thiamine deficiency has been well described in causing damage to the mammillary bodies, most commonly through Wernicke-Korsakoff syndrome.The amygdala is a subcortical structure of the limbic system, located;in the medial temporal lobe, whose role involves processing emotional responses- specifically fear, anxiety, and aggression. Additionally, the amygdala further processes memory and decision-making. Fear conditioning processing takes place in the lateral nuclei of the amygdalae where memories form associations with the adverse stimuli through long-term potentiation. Damage to the amygdalae has resulted in the impairment of fear conditioning. Kl;ver-Bucy syndrome is another rare condition observed after bilateral lesions to the amygdalae occur. Symptoms include amnesia, docility, hyperphagia (both pica and overeating normal foods), hyperorality, hypersexuality, and visual agnosia.The cingulate gyrus is a cortical structure that lies immediately above the corpus callosum. Its major;afferents are from the thalamus and neocortex. The cingulate gyrus, like most of the limbic system, is involved in emotion formation, learning, and memory. It is responsible for linking behavior and motivational outcomes. Some research has shown the cingulate gyri (specifically the anterior cingulate cortex) to have size differences in patients with mood disorders and schizophrenia.The entorhinal;cortex

;is located in the medial temporal lobe and is the main gateway between the hippocampus and neocortex. The EC-hippocampus system is an essential part of the limbic system responsible for declarative memories, spatial memories, memory formation, and memory consolidation. Clinically, in those who have Alzheimer's disease, magnetic resonance imaging has shown a loss of volume in the entorhinal cortex.