Why are there more cones than rods near the fovea?
High density of cone receptors in the fovea.
One-to-one relationship with bipolar cells and retinal ganglion cells.
Enables high visual acuity and resolution in this region.
Why is the eye filled with fluid rather than blood vessels?
Aqueous humor: clear fluid produced continuously in the front part of the eye.
Functions: nutrient transport, waste removal, and cushioning.
Maintains eye pressure and shape.
Why do taste buds only reach halfway up the tongue?
Limited by the lingual frenulum, which connects the tongue to the mouth's base.
How does the human brain differentiate a scream from a whisper?
Sounds differ by decibels: whisper (~20 dB), shout (~80 dB).
Auditory pathway involves: cochlear nucleus ➜ superior olivary complex ➜ inferior colliculus ➜ medial geniculate nucleus ➜ auditory cortex.
Sound information decoded at each relay nucleus.
Does pain have its own neural pathway?
Yes, lateral pathway for sharp, localized pain (spinal cord ➜ ventrocaudal thalamus ➜ cortex).
Medial spinoreticulothalamic pathway for deep somatic and visceral pain.
Why would someone recently exposed to large quantities of a stimulus be less sensitive to small amounts of the same kind of stimulus?
According to Weber’s Law, previous exposure desensitizes sensitivity.
Example: After loud music, soft sounds are less perceivable.
What is the term for vision identifying patterns on the basis of the bottom-up process?
Pattern identification through feature detection and recognizing components.
Why do humans have blind spots?
Caused by lack of receptors (rods/cones) where the optic nerve exits.
What causes color blindness?
Dysfunctional cones in the retina.
Why do you think smells are heavily tied to emotions?
Odors can evoke positive memories, enhance positive emotions, and mitigate stress.
Why can’t you drive without depth perception?
Depth perception is crucial for assessing distances and speeds of approaching vehicles.
Which illusions did you see during the optical illusions in-class practice activities?
Reference to illusions practiced in class, with details provided in a resource link.
Continuity and Discontinuity
Importance in understanding whether development occurs in stages or continuously.
Affects behavioral predictions and designs educational interventions.
Classroom application: Supporting gradual development through tailored strategies.
Markers of Becoming an Adult
Cultural and social factors define adulthood (e.g., jobs, independence).
Cultural Boundaries of Adulthood
Varies widely across cultures, with societal expectations influencing perceptions of adulthood.
Common Manifestations
Imaginary audience: belief that one is the focus of others’ attention.
Personal fable: exaggerated belief in one's uniqueness and invulnerability.
Personality Identity Development
Continues post-age five; depends on resolutions of existential crises (e.g., trust, intimacy).
Erikson expanded Freud’s stages to include adulthood crises.
Impact of Upbringing and Culture
Reflection on family dynamics, culture, and significant early life factors shaping personality.
Comparison of experiences with textbook research to identify consistent influences on development.
Biological vs. Societal Influences
Biological sex influences certain traits while societal norms shape gender roles and expectations.
Consequences for individuals who violate gender norms.
Changing definitions of gender due to cultural influences and inclusivity of non-binary identities.
Influence of Environment
Environment deemed more influential than thoughts; questions the relative significance of beliefs.
Meaning of Extinction
Misleading terminology; spontaneity in recovery impacts understanding of conditioned responses.
Positive Reinforcement in Parenting
Praising positive behavior encourages desirable actions.
Consequences for child-rearing and behavior modification strategies.
Behavior Differences
Comparison of outcomes for individuals subject to differing reinforcement/punishment types.
Impact of Publicized Crimes
Discussion on the potential promotion of similar violence due to observational learning.
Influence on Goal Achievement
High self-efficacy boosts confidence in achieving goals, affected by self-reward and self-punishment.