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Related Concept Videos

Perception01:28

Perception

Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Factors Affecting Perception01:25

Factors Affecting Perception

Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
Introducing Social Perception01:29

Introducing Social Perception

Perceiving others accurately is fundamental to effective communication and relationship-building. Social perception, a key concept in social psychology, refers to the cognitive processes through which individuals gather and interpret information about others to understand their actions, intentions, and motivations. This process extends beyond spoken words and overt behaviors, incorporating subtle nonverbal cues and contextual factors.Nonverbal Cues and Their SignificanceNonverbal cues play a...
Sensory Perception: Organization of the Somatosensory System01:11

Sensory Perception: Organization of the Somatosensory System

The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
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Major Somatic Sensory Pathways

Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the posterior columns...

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Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
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The two sides of perception.

M R Lamb1

  • 1Department of Psychology, California State University, Hayward, CA 94542-3091, USA.

Trends in Cognitive Sciences
|January 14, 2011
PubMed
Summary
This summary is machine-generated.

This book explores the cognitive neuroscience of human memory and attention. It details how these processes are interconnected and influenced by brain function.

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Area of Science:

  • Cognitive Neuroscience
  • Human Memory
  • Attention

Background:

  • The book synthesizes research on the neural underpinnings of cognition.
  • It examines the relationship between sensory processing and higher-level cognitive functions.

Purpose of the Study:

  • To provide a comprehensive overview of the cognitive neuroscience of memory and attention.
  • To explore the interplay between different cognitive systems and their neural bases.

Main Methods:

  • Literature review and synthesis of existing research.
  • Theoretical integration of findings from experimental psychology and neuroscience.

Main Results:

  • Memory and attention are not isolated functions but are deeply intertwined.
  • Neural mechanisms for attention influence memory encoding and retrieval.

Conclusions:

  • Understanding the neural basis of attention and memory is crucial for cognitive science.
  • Further research is needed to fully elucidate the complex interactions between these cognitive functions.