期刊
JOURNAL OF CHEMICAL NEUROANATOMY
卷 113, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jchemneu.2021.101925
关键词
Temporal pole; Visual processing; Autobiographic memory; Semantic memory; Social cognition; Neurodegenerative disorders
The temporal pole plays a crucial role in various cognitive functions such as visual processing, autobiographic memory, semantic processing, and socio-emotional processing. Understanding its functions and associated symptoms can help in diagnosing diseases related to temporal pole lesions or dysfunctions.
Historically, the anterior part of the temporal lobe was labelled as a unique structure named Brain Area 38 by Brodmann or Temporopolar Area TG by Von Economo, but its functions were unknown at that time. Later on, a few studies proposed to divide the temporal pole in several different subparts, based on distinct cytoarchitectural structure or connectivity patterns, while a still growing number of studies have associated the temporal pole with many cognitive functions. In this review, we provide an overview of the temporal pole anatomical and histological structure and its various functions. We performed a literature review of articles published prior to September 30, 2020 that included 112 articles. The temporal pole has thereby been associated with several highlevel cognitive processes: visual processing for complex objects and face recognition, autobiographic memory, naming and word-object labelling, semantic processing in all modalities, and socio-emotional processing, as demonstrated in healthy subjects and in patients with neurological or psychiatric diseases, especially in the field of neurodegenerative disorders. A good knowledge of those functions and the symptoms associated with temporal pole lesions or dysfunctions is helpful to identify these diseases, whose diagnosis may otherwise be difficult.
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