NEUROSCIENCE FOR ENVIRONMENTAL PSYCHOLOGY AND ARCHITECTURE: THE CASES OF SOUND IN SCHOOL ENVIRONMENT AND DESIGN IN RESIDENTIAL ENVIRONMENT
Workshop C 1
THANKS TO Agenzia per l’Energia Alto Adige -‐ Casa Clima Arch. Mariadonata Bancher
ECOPHON SAINT-‐GOBAIN Dr. Carsten Svensson Prof. Staffan Hygge Dr. CrisRna Carrus
The sound of silence Workshop C «Neuroscience and Architecture»
Hypotheses Cognitive fatigue EEG
H1 (-) Sound to Noise H2 Ratio (SNR) 10 DB VS 20 DB
Working Memory # MEMORISED WORDS
(+)
H5 Type of noise NATURE VS NON-NATURE
H4
H3
H1 & H3 Noise on CogniRve faRgue Cognitive fatigue EEG
NOISE H1 (-) Sound to Noise Ratio (SNR) 10 DB VS 20 DB
H3 Type of noise NATURE VS NON-NATURE
H2: Main effect SNR Mean Words Correcly Recalled Mean Differnce from baseline
2.50
SNR 10 db SNR 20 db 0.00
-‐2.50
H5: Main effect Background 2.50
0.00
* *
Mean Differnce from baseline
Mean Words Correcly Recalled
-‐2.50 Traffic
Birds
Cha]ng Background
Fountain
H6: InteracRon SNR & Background Mean Words Correcly Recalled Mean Differnce from baseline
2.5 ** SNR 10 db SNR 20 db 0.
-‐2.5 Traffic
Birds Cha]ng Background
F(3,8)=9.53, p<.01, ƞ²=.78
Fountain
LimitaRons • • • •
Learning effect of repeated word-‐sets SemanRcally related words in some word-‐sets CumulaRve faRgue Italian pronunciaRon of words
Conclusion for the stakeholder Cognitive fatigue EEG
H1 (-) Sound to Noise H2 Ratio (SNR) 10 DB VS 20 DB
Working Memory # MEMORISED WORDS
(+)
H5 Type of noise NATURE VS NON-NATURE
H4
H3
Neuroscience in assessment of architectural requalifica?on proposals Workshop C «Neuroscience and Architecture»
How to analyse different architectural soluRons from a lay people’s point of view?
Method ▪ N= 13
▪ Measures 1. Self-‐reported perceived pleasantness “Please score in a scale of 1 (not pleasant) to 9 (very pleasant) the pleasantness of the following images”
2. Eye-‐tracking 3. EEG (not reported)
Procedure: Self-‐reported perceived pleasantness ▪ Image presentaRon of architectural proposals in compeRRon for the requalificaRon of 2 urban spaces -‐ (21 sRmulus, 1 per 8 sec)
Method
Procedure: Eye-‐tracking
Compe??on 1 School Residence (Malles, IT)
Compe??on 2 Mala Strana Square (Prague, CZ)
Skyview In place Lateral view
Corridor Courtyard External
1 2 3 Architect Team
4 5 6 Architect Team
Results Compe??on 1: School Residence (Malles, IT)
Perceived pleasantness of each proposal 7. 5.25 3.5 1.75 0. Team1
Team2
Team3
Corridor Courtyard External
% of fixations in hotspots
Pleasantness
8.75
Eye fixation in defined hotspots 100. 75. Corridor
50.
Court External
25. 0. Team1 Team2 Team3
Mean= 5.82 Mean= 5.23
Mean= 6.15
Results
Team 1
Team 2
Compe??on 1: School Residence (Malles, IT) e.g. Courtyard
Compe??on 2: Square Mala Strana (Prague) e.g. Skyview
Team 6
Discussion
It is possible to use eye-‐tracking measures in assessing lay people’s judgements about architectural requalificaRon proposals in future design pracRce Future assessments of architectural proposals may consider a more ecological approach, for instance with the inclusion of 3D reality instead of only images. EEG shall also be included in order to provide more informaRon about the inner process of people’s assessment of requalified environments Perceived pleasantness and aSen?on appears to be independent measures: In fact, features atracRng our atenRon when assessing these proposals seem here to be not related to perceived pleasantness
Thermal Comfort in Interior Spaces NeuroscienRfic Approaches Workshop C «Neuroscience and Architecture»
ExploraRve Study
some theoreRcal background
Colour
• •
Different processes of colour percepRon (Rodeck 1998) Symbolical meaning of colour, e.g. love, hope
(Frieling 1979, Rossbach 2000)
• •
Effect of colour, e.g. sRmulising, relaxing (Rodeck 1998) Colour contrasts in space, e.g. warm – cold
Research QuesRons •
Which design features influence our percepRon of thermal comfort?
Dependent variables •Thermal comfort Conscious: Likert scale (1-‐9) Unconscious: EEG •ASen?on N of fixaRon within regions of interest Defini?on Fixa?on = eye gaze on one spot for >40ms
Method Materials & Procedure EEG
Par?cipants
•
N=13, Mean Age=29.31(SD=5.8) 3 males & 10 females
Eye tracker (eyemetrix)
1
9 1s
4s
8s
1s
Hypotheses Colour
warm
cold
Explicit Score
+
-‐
Pleasantness EEG
+
-‐
Eye Tracking
+
-‐
Hypotheses Colour
warm
cold
Explicit Score
+
-‐
Pleasantness EEG
+
-‐
Eye Tracking
+
-‐
Hypotheses Elements
void
full
Explicit Score
-‐
+
Pleasantness EEG
-‐
+
Eye Tracking
-‐
+
Results Conscious Thermal Comfort Values
*
}
*
}
*
}
7.
*
}
8.75
5.25 3.5 1.75 0. Colour
Shape
Light
Material
Space
Elements
Percentage of Fixa?on 8.75 7. 5.25 3.5 1.75 0. Colour
Shape
Light
Material
Space
Elements
Conclusions 1.
2.
Colour, shape, light and space play an important role in the percep?on of thermal comfort However people pay more aSen?on to rough surfaces and rooms that are full of things
(also if there is lots of wood in a picture people give higher thermal comfort ra?ng)
RecommendaRons to the stakeholder How to increase the thermal comfort of a building: • Warm colours • Curved shapes • Natural light • Small cosy spaces • Don’t use full rooms or rough surfaces as they atract atenRon away from thermal comfort
Workshop C «Neuroscience and Architecture»
Thanks
THANK YOU! Prof. Dr. Fabio Babiloni with Dr. Patrizia Cherubino -‐ Sapienza University of Rome Amicone Giulia Ariccio Silvia Bellini Diego Carvalho Pinto Lais Conrad Nicole Ferreira Ines Filomena Gabriele Gabe Thomas Elizabeth GiusR Mateo Piccinin Gloria Rossi Giulia Venhoeven Leonie Yang WenRng
With the support of Dr. Arch. Fabrizio Pusceddu -‐ UniSS Dr. Stefano De Dominicis -‐ CIRPA UniRM1
Eye-âtracking. 3. EEG (not reported). Procedure: Self-âreported perceived pleasantness. â« Image presentaDon of architectural proposals in compeDDon for the ... Architect Team. Compe on 1. School Residence. (Malles, IT). Corridor. Courtyard. External. Compe on 2. Mala Strana Square. (Prague, CZ). Skyview. In place.
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