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Chapter 2

PSY240H5 Chapter Notes - Chapter 2: Rollo May, Little Albert Experiment, Experience 7


Department
Psychology
Course Code
PSY240H5
Professor
Hywel Morgan
Chapter
2

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ABNORMAL PSYCHOLOGY: CHAPTER 2 – THEORETICAL PERSPECTIVES ON ABNORMAL
BEHAVIOUR
THE GENERAL NATURE OF THEORIES






 
Levels of Theories
Single-factor explanation:
!
Interactionist explanation:

"!"
#
$%
&' "
 
' "

(' "
Testing Theories
)*++


Null hypothesis,
*+
THE SEARCH FOR CAUSES
-*
etiology!
.
/
01
!


2 "

2 3
 

"
Reductionist thinking4
 
BIOLOGICAL MODELS
567$ 
/7$

The Role of the CNS
&
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8& &8
 

 
Neurotransmitters: 
**
Synaptic cleft/synapse:*
 7
Dopamine,9/":
*
Serotonin, *

Norepinephrine,3  

Gamma=aminobutyric acid (GABA),1;<1
*
2
,
7

)*%3
="
Hindbrain!27$
"

Midbrain!


Forebrain!

$
"!''

 ":
<:
find more resources at oneclass.com
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571!brain plasticity,
<!1
*

!"/
The Role of the PNS
 
 
27$"
!'
27$*!'
The Role of the Endocrine System
67$

Hormones,
"67$
hypothalamus pituitary
gland [master gland]
,

>
Cretinism:"

Hypoglycemia,

HPA axis!33?/2 @

.*
$+
*!?/2*
Genetics and Behaviour
?!3

6A!%

/5!1
Behavioural genetics:1
$@''&
 
>
$
.
Genotype-environment interactions: 
"
Caspi and co (2003)!*1
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-
B? 
=$A)

5C"!$
.*$A)
7*
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