Human Eye Anatomy and Visual Physiology
1. Three Layers of the Eye
Outermost Layer (Fibrous Tunic)
- Sclera: Tough white outer coat; protects and maintains shape.
- Cornea: Transparent front; the main structure that bends (refracts) light.
Middle Layer (Vascular Tunic / Uvea)
- Choroid: Rich in blood vessels; nourishes the retina and absorbs stray light.
- Iris: Colored part; controls pupil size.
- Ciliary Body: Contains muscle that changes lens shape for focusing.
Innermost Layer (Neural Tunic)
- Retina: Contains rods and cones; converts light into electrical
Foundational Concepts in Psychology: Science, Methods, and Brain
Chapter 1: Psychology Science Fundamentals
Defining Psychology and Historical Views
Psychological Science is the scientific study of the Mind (internal/hidden) and Behavior (external/observable).
Historical Shifts in Demographics
- Historically white male dominated.
- Currently, about 70% of PhDs are women, and 30% are People of Color (POC).
Philosophical Foundations
- Dualism (Descartes): Mind and Body are fundamentally different; connected at the pineal gland; non-falsifiable.
- Materialism (Hobbes): “Mind is
Key Concepts in Human Cognition and Intelligence
Key Concepts in Human Cognition
Cognition – The way we think, learn, remember, and solve problems. It’s all the mental work our brain does. For example, when you study for a test, plan your day, or figure out how to fix something, that’s cognition.
Metacognition – Thinking about your own thinking. It helps you notice how you solve problems or learn so you can improve. For example, before doing homework, you might plan your approach or check if your solution makes sense.
Organizing Thought
Concepts
Read MoreNeuroscience of Human Learning and Memory Systems
Introduction to Learning and Memory
Learning is the process by which we acquire knowledge about the world. It involves taking in new information, skills, or behaviors through experience, study, or teaching.
Memory is the process by which knowledge acquired through learning is encoded, stored, and later retrieved.
Interrelationship: Learning and memory are closely linked; learning enables us to acquire information, and memory allows us to retain and use that information later.
Example: Learning a new
Read MorePsychotherapy vs. Clinical Psychology: Key Differences
1. Definition of Psychotherapy and Clinical Psychology
Give a formal definition of psychotherapy. What is the difference between clinical psychology and psychotherapy?
Psychotherapy is formally defined as the “informed and intentional application of clinical methods and interpersonal stances derived from established psychological principles.” Its primary objective is to assist individuals in modifying their behaviors, cognitions, emotions, and other personal characteristics in directions that the
Read MoreLeadership Theories, Traits, and Influential Models
Trait Theories
Trait Theories — the assumption that great men, or great leaders, were born that way.
Big Five (Trait Theory)
The Big Five (Trait Theory) — the importance of leadership traits is reflected in the five-factor model of personality.
- Extraversion
- Agreeableness
- Conscientiousness
- Emotional stability
- Openness to experience
Leaders must recognize the importance of having an appropriate mix of the Big Five traits, because an overreliance on any one trait can result in less than optimal personal
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