Human Evolution: From Primates to Homo Sapiens
Act III. The Man
Scene I. The Cradle of Africa
The Evolutionary Advantages of the Clavicle
The clavicle expands the rib cage, increasing the reach of the upper limbs. This improved grip for climbing trees and enhanced the efficiency of gathering food.
Is There a Missing Link Between Ape and Man?
Evidence suggests that the descendants of apes led to the birth of our ancestors.
Evidence Pointing to the African Origin of Man
A large number of fossils and chronological evidence found in Africa suggests that
Read MoreChild Development and Perception: A Comprehensive Summary
Chapter 4: Child Development
Newborn (0-5 Months)
Communicates primarily through crying and facial expressions.
5-7 Months
Begins babbling and intentional vocalizations using consonants and vowels, but without meaning.
12-18 Months
Starts using words, often in the form of holophrases (single words conveying a whole idea).
18-24 Months
Develops telegraphic speech, combining words in a logical syntax, but not forming complete sentences.
18+ Months
Shows a tendency to overgeneralize grammar rules, applying them
Read MoreArtificial vs. Natural: Redefining Nature Through Reproductive Technology
Joan Bestard: Artificial and Natural – What is Nature?
JOAN BESTARD. “ARTIFICIAL AND NATURAL: WHAT IS NATURE? Reproductive technology has set a new context for what is natural and the process of reproduction. The greater the intervention in nature by breeding techniques, the increased social anxiety that occurs. This anxiety isn’t so much about the legal or social status of the new individual (who is his father and mother can be resolved legally) but by how social relationships can be affected. When
Read MoreAnthropological Fieldwork: Dialogue, Observation, and Insights
Anthropological Fieldwork: Dialogue and Observation
Fieldwork is the methodology of anthropology itself, defined as a technique both as a science and an experience. The popularized image of an anthropologist is someone lost in a tropical forest, living with wild tribes, participating in hunting expeditions, magic spells, and other strange customs. However, anthropology has long since moved beyond exploring exotic environments to study a variety of scenarios where conflicts and intercultural encounters
Read MoreMental and Emotional Assessment in the Elderly
Mental and Emotional Ratings
Mental and emotional ratings encompass three areas of mental valuation: cognitive, affective, and behavioral.
1. Cognitive Assessment
A comprehensive assessment is designed to collect, at a minimum, the following information: appearance, behavior, mood, senses, language, thought, perception, level of consciousness, orientation, memory, information capital, abstraction and judgment, gnosis and praxis, calculation, and somatic symptoms of mental illness. A structured cognitive
Read MoreKey Concepts in Applied Behavior Analysis (ABA)
Motivating Operation (MO): Alters the reinforcing/punishing effectiveness of a stimulus and alters the current frequency of all behavior that has been reinforced/punished by that stimulus.
Establishing Operation
Reinforcer is more effective/valuable.
- Deprivation: Not having a reinforcer for some time.
- Behavior-Altering Effect: Momentary increase in behavior.
- Value-Altering Effect: Momentary increase in reinforcing value.
Abolishing Operation
Reinforcer is less effective/valuable.
- Satiation: Having a reinforcer