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Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

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Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
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Amnesia is a condition marked by long-term memory loss, which impairs the ability to recall past events or create new memories.
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A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
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Eyewitness Memory01:22

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Eyewitness memory refers to the recollection of events by someone who has directly witnessed them, often serving as critical evidence in legal settings. This type of memory is commonly used in criminal cases where a witness describes details like a suspect's appearance, clothing, or behavior during a crime. However, despite its perceived reliability, eyewitness memory is prone to significant errors.
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The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
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Nostalgia in the brain.

Ziyan Yang1, Keise Izuma2, Huajian Cai1

  • 1CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing 100101, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing 100049, China.

Current Opinion in Psychology
|December 20, 2022
PubMed
Summary
This summary is machine-generated.

Nostalgia, a complex emotion, involves brain regions for memory and emotion regulation. This research reveals how nostalgia protects against threats, offering potential clinical applications.

Keywords:
Emotion regulationNostalgiaPainRewardSocial neuroscienceThreat

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Area of Science:

  • Cognitive Neuroscience
  • Psychology

Background:

  • Nostalgia is a complex emotion linked to memory and psychological processes.
  • Understanding the neural basis and adaptive functions of nostalgia is crucial.

Purpose of the Study:

  • To elucidate the neural mechanisms underlying nostalgia.
  • To explore the adaptive functions of nostalgia in buffering threats.

Main Methods:

  • Review of cognitive neuroscience research on nostalgia.
  • Analysis of brain regions involved in self-reflection, memory, emotion regulation, and reward processing.

Main Results:

  • Nostalgia engages brain areas associated with self-reflection, autobiographical memory, emotion regulation, and reward.
  • Nostalgia modulates neural activity in emotion regulatory and reward pathways, mitigating psychological and physical threats.

Conclusions:

  • Nostalgia has identifiable neural underpinnings and serves adaptive functions.
  • Findings suggest potential therapeutic applications of nostalgia in clinical settings.