cognitive psychology unit 20 study guides

Key Concepts and Theories

• Cognitive psychology studies mental processes such as perception, attention, memory, language, problem-solving, and decision-making
• Information processing approach views the mind as a complex system that processes information in stages (encoding, storage, retrieval)
• Schema theory proposes that knowledge is organized into mental frameworks (schemas) that guide perception, understanding, and behavior
  • Schemas influence how new information is interpreted and integrated with existing knowledge
  • Schemas can lead to biases and stereotypes when applied rigidly or inappropriately
• Dual-process theories distinguish between automatic, intuitive thinking (System 1) and deliberate, analytical thinking (System 2)
• Situated cognition emphasizes the role of context and environment in shaping cognitive processes
• Embodied cognition highlights the importance of bodily experiences and sensorimotor interactions in cognitive development and functioning
• Distributed cognition examines how cognitive processes are distributed across individuals, artifacts, and environments

Cognitive Processes in Real-World Settings

• Everyday problem-solving involves identifying goals, generating solutions, evaluating options, and implementing strategies
• Decision-making in real-life contexts is influenced by factors such as emotions, time pressure, and social influences
  • Heuristics (mental shortcuts) are often used to simplify complex decisions but can lead to biases
  • Framing effects occur when the presentation of information influences decision-making (presenting options as gains or losses)
• Expertise develops through extensive practice, knowledge acquisition, and pattern recognition in a specific domain
• Cognitive offloading refers to the use of external aids (notes, reminders, technology) to reduce cognitive load and enhance performance
• Prospective memory involves remembering to perform intended actions in the future (taking medication, attending appointments)
• Cognitive biases, such as confirmation bias and hindsight bias, can influence judgment and decision-making in real-world settings
• Cognitive strategies, such as chunking and mnemonics, can be applied to enhance learning and memory in various contexts (academic, professional, personal)

Memory and Learning Applications

• Encoding strategies, such as elaborative rehearsal and organization, can improve long-term retention of information
  • Elaborative rehearsal involves connecting new information to existing knowledge and personal experiences
  • Organization strategies include categorization, outlining, and concept mapping
• Retrieval practice (testing) enhances learning by strengthening memory traces and identifying gaps in knowledge
• Spaced repetition involves distributing learning sessions over time to promote long-term retention
• Mnemonics, such as acronyms and visual imagery, can aid in the recall of specific information (ROYGBIV for colors of the rainbow)
• Metacognition, or the awareness and regulation of one's own learning processes, can enhance academic performance
• Collaborative learning and group discussions can facilitate the exchange of ideas, perspectives, and strategies
• Feedback and self-explanation can promote deeper understanding and identify misconceptions

Decision Making and Problem Solving

• Problem-solving involves identifying the problem, generating potential solutions, evaluating alternatives, and implementing the chosen solution
• Heuristics are mental shortcuts that simplify decision-making but can lead to biases (availability heuristic, representativeness heuristic)
• Analogical reasoning involves drawing parallels between a current problem and a similar problem solved in the past
• Mental models are internal representations of a problem or system that guide problem-solving strategies
• Decision-making under uncertainty involves evaluating risks, probabilities, and potential outcomes
  • Expected value theory suggests that rational decisions are based on maximizing expected value (probability × value)
  • Prospect theory accounts for the influence of framing effects and loss aversion on decision-making
• Creativity and insight involve generating novel ideas and solutions through divergent thinking and restructuring of problems
• Group decision-making can be influenced by factors such as groupthink, social loafing, and the hidden profile effect

Attention and Perception in Everyday Life

• Selective attention allows us to focus on relevant information while filtering out irrelevant stimuli
  • Cocktail party effect demonstrates the ability to attend to a specific conversation in a noisy environment
  • Inattentional blindness occurs when focused attention leads to the failure to notice salient stimuli (gorilla in the basketball video)
• Divided attention involves simultaneously processing multiple sources of information, which can lead to performance decrements
• Perceptual organization principles, such as proximity and similarity, guide the grouping and interpretation of visual stimuli
• Perceptual constancy allows us to perceive objects as stable despite changes in sensory input (size constancy, color constancy)
• Perceptual illusions demonstrate the constructive nature of perception and the influence of expectations and prior knowledge
• Multisensory integration involves combining information from different sensory modalities to create a unified perceptual experience
• Attention and perception can be influenced by factors such as emotions, motivation, and cultural background

Language and Communication

• Language acquisition involves the development of phonology, morphology, syntax, and semantics
  • Critical period hypothesis suggests a sensitive window for language acquisition in early childhood
  • Social interaction and exposure to rich linguistic input facilitate language development
• Language comprehension involves the processing of phonemes, words, sentences, and discourse
• Language production involves the selection of appropriate words, the construction of grammatical sentences, and the articulation of speech sounds
• Pragmatics refers to the social and contextual aspects of language use, such as interpreting intentions and following conversational rules
• Bilingualism and multilingualism involve the acquisition and use of multiple languages, which can confer cognitive benefits
• Nonverbal communication, such as facial expressions, gestures, and tone of voice, plays a crucial role in conveying meaning and emotions
• Language disorders, such as aphasia and dyslexia, can impair various aspects of language processing and communication

Technology and Cognitive Enhancement

• Educational technologies, such as intelligent tutoring systems and adaptive learning platforms, can personalize instruction and provide immediate feedback
• Cognitive training programs and brain-training games aim to improve specific cognitive abilities (working memory, attention, processing speed)
  • Transfer of training refers to the extent to which skills acquired through training generalize to other tasks and contexts
  • Placebo effects and expectancy effects can contribute to perceived improvements in cognitive performance
• Virtual reality and augmented reality technologies can create immersive learning experiences and simulate real-world scenarios
• Assistive technologies, such as text-to-speech software and memory aids, can support individuals with cognitive impairments
• Human-computer interaction research explores how the design of user interfaces and information displays can optimize cognitive performance
• Ethical considerations surrounding cognitive enhancement, such as fairness, accessibility, and potential risks, need to be addressed

Research Methods and Case Studies

• Experimental research involves manipulating independent variables to examine their effects on dependent variables while controlling for confounding factors
  • Randomized controlled trials are considered the gold standard for establishing causal relationships
  • Between-subjects designs compare different groups of participants, while within-subjects designs involve repeated measures on the same participants
• Observational research, such as naturalistic observation and case studies, provides insights into cognitive processes in real-world contexts
• Neuroimaging techniques, such as fMRI and EEG, allow researchers to investigate the neural correlates of cognitive processes
• Eye-tracking and pupillometry can provide measures of attention, cognitive load, and emotional responses
• Think-aloud protocols involve participants verbalizing their thoughts and strategies while performing a task
• Cognitive modeling involves developing computational models that simulate human cognitive processes and predict behavior
• Interdisciplinary approaches, combining insights from psychology, neuroscience, computer science, and other fields, enrich the understanding of cognitive phenomena