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B io log ical ana Leve l of lys i s At the most basic level of analysis, human beings are biological systems. It is the assumption at this level of ana that our mental processes, emotions and behaviors are products of the anatomy and physiology of our nervous and endocrine systems.

B io log ical ana Leve l of lys i s Over the last few centuries, discoveries have shown that: • The nature of the nervous system is electrical in part. • Different areas of the brain carry out different functions (Localization of Function) • Small gaps exist between nerve cells that require the action of chemicals to carry neural transmission across these gaps (Neurotransmission) • Hormones play an important role in our psychological functioning.

Bio l o gic al Le anal y vel of sis • • Top i cs w e wi di sc ll uss th is w • The e e (as s m aj or pr k u. . . i n m c p i B iolo tio ns p le s gi ) ic al L o ev el f the How of An can p rincipl alysi e b s e s rese a demo of the • How rch. nstrated i. Bn. LOA me th a nd wh BL OAo ds are y res ear c used h a t the Ethic res e a l con s id arch at t h er ations e BL OA for

Bio logi cal ana Leve l of lysi s Obje ctive 1. 1 Outline principles that define the Biological Level of Analysis

Biol ogic al L eve ana lysis l of Obje ctive 1. 1 Outline: • Give a brief account or summary. • In other words…Summarize the assumptions of the Biological Level of Analysis

Wh at a re Prin cipl es ? Important Note: Principles are any basic assumption that has been identified by research at this level of analysis There are numerous assumptions that can be used for this objective.

Out line that princip Biol defi les ogic n e th al L e eve l of Ana lysis Obje ctive 1. 1 Principle 1: • Human behavior is localized to specific parts of the brain.

Prin Hum an b c i p e l e h spe a 1: v ior i cific s loc part alize s of d to the brai n. Obje ctive 1. 1 What does this mean? In other words… • Our observable actions and mental processes are correlated to specific parts of the brain. • This means that anytime you exhibit a behavior, the brain is working. In other words…. everything psychological has a physiological origin.

Outl ine p rinci that Biol defin ples ogic e th al Le vel o e f An alys is Obje ctive 1. 1 Principle 2: • Animal research (because of the biological similarity) can enlighten our understanding of human behavior.

• Ani P rinc mal i our rese p l e und a r c h ca 2: erst beh and n en avio i ng o r. light f hu e man n Obje ctive 1. 1 What does this mean? In other words… Research suggests that animals and human are similar biologically leading to similarities in behavior. This principle perpetuates the first principle which assumes that behavior is biologically determined.

Out line prin t h Biol ciple at d ogic efin e th s al L e eve l of Ana lysis Obje ctive 1. 1 Principle 3: • Neurotransmission and Hormones play a role influencing human behavior

Obje ctive 1. 1 What does this mean? • Neu Princi p rotra nsm le 3: Horm issio o n e n an s pla influe d yar ncing hum ole an b ehav ior In other words… Our chemical balances/imbalances correlate to specific human behaviors Higher or lower levels of certain hormones and neurotransmitters can lead to changes in behavior.

Out line prin t h Biol ciple at d ogic efin e th s al L e eve l of Ana lysis Obje ctive 1. 1 Principle 4: • Genetic predispositions may affect behavior and or mental processes.

Prin • Gen c etic p i p l affec e r e 4: d i spos t beh itions proc a v i o esse r and may s. or m enta l Obje ctive 1. 1 What does this mean? In othe r w • Our b o r d ehavior s … s h a evolut ve an ionary e xplanat have be ion and en pass ed from generat ion to g eneratio through n the proc ess of n selectio n. atural • Thes e behav iors are inherite genetic d and p ally lay a ro human le in behavio r.

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Wh y is hav it imp ep o r inc rtant ip le to s? Princip les (as the re s search umptions) guide at eac analys h leve is. l of It is un der th ese as resear sumpt ch sup ions th ports a demon at nd strates these princip les.

Tom orro w… Objec tive 1. Explai 2: n how princip the Bi ologic l e s that de a l may b L fine e dem evel of An alysis onstra ted in resear ch.