Adolescent Brain Response to Social Media: Neuroscience and Reward Mechanisms
Neurobiological Foundations of Social Media Use
Brain networks activated during social media use involve three primary systems:
- Reward System: VTA, vmPFC, VS (Ventral Striatum)
- Mentalizing System: TPJ, ATP, IFG, PCC, DMPFC (Dorsomedial Prefrontal Cortex)
- Self-Referential System: MPFC (Medial Prefrontal Cortex)
Neuroimaging Techniques and Analysis
MRI Modalities and Experimental Designs
- Structural MRI: Measures brain anatomy.
- Example: Used to measure cortical thickness in adolescents.
- Functional MRI (fMRI)
Recruitment Strategy for Environmental Science Positions
Job Description
Work in scientific exchanges, training, and cooperation for sustainable development between Europe and countries with tropical and extreme environments. The aim is to conserve and restore biological diversity, provide adequate channels for disseminating cultural and environmental awareness, and promote scientific exchange. This involves unifying criteria and common patterns of action, and promoting research, training, and information sharing between individuals, groups, organizations,
Read MoreFreud’s Psychoanalytic Theory: Id, Ego, Superego
Understanding Personality and Freud’s Psychoanalytic Theory
What Is Personality?
Personality refers to the unique and consistent patterns of thoughts, feelings, and behaviors that characterize an individual. It shapes how people interact with the world and respond to different situations. Personality develops over time and is influenced by genetic, environmental, and social factors.
Sigmund Freud’s Psychoanalytic Theory
Sigmund Freud, the father of psychoanalysis, proposed one of the earliest and
Read MoreEssential Research Methods for Data Collection
Core Research Methods and Techniques
The aim of research is to systematically discover and respond to the many questions that human beings pose. This document examines four essential data collection methods used across social sciences and psychology.
The Interview
The interview is a technique for research that serves as an essential tool for professional psychology. It involves formulating a set of questions orally to individuals for the purpose of obtaining information.
Features of the Interview
- Frequently
Cognitive Processes: Attention, Perception, and Memory Mechanisms
Attention and Its Determinants
Types of Attention
- Voluntary
- Involuntary
- Habitual
External Determinants
Intensity, size, contrast, motion, novelty, repetition, anatomy or shape.
Internal Determinants
States of the body (aches, effects of chemicals, emotional states, etc.), motivations, general habits, expectations.
Laws of Perception
The Laws of Perception, often associated with Gestalt theory, concern how we organize stimuli. This includes perceptual organization and the concept of figure-ground relationship.
Read MoreMemory Systems: Autobiographical, Implicit, and Explicit Functions
Autobiographical Memory
Autobiographical memory refers to the conscious and active remembering of events related to one’s own life and personal past.
Traditional Procedure: Galton (1883)
- Requires a keyword and date to prompt a personal experience related to that word.
- The quality of memory is assessed by its vividness and level of detail.
- Problem: This method is considered too open.
Modern Procedures
Questionnaires (e.g., Baddeley)
Ask for personal information and autobiographical incidents from different
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